Divisors of 7749: All 16 Factors

Quick Answer

7749 has 16 divisors (factors): 1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 7749.

Sum: 13440.

Divisors (Factors) Calculator


  Ex.: 12, 36, 100, 1024, 1728, etc.
16 divisors
1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 7749

Use the calculator above to find all divisors (also called factors) of any positive integer up to 4,782,969. Beyond the divisor list, this tool also shows divisor pairs, the sum and count of divisors, prime factorization, and number properties (prime, perfect square, perfect number).

All Divisors of 7749

The number 7749 has 16 divisors:

1,  3,  7,  9,  21,  27,  41,  63,  123,  189,  287,  369,  861,  1107,  2583,  7749

Divisor Pairs of 7749

Each pair multiplies to 7749:

Factor 1×Factor 2=Product
1×7749=7749
3×2583=7749
7×1107=7749
9×861=7749
21×369=7749
27×287=7749
41×189=7749
63×123=7749

Number of Divisors

The number 7749 has 16 divisors, written as τ(7749) = 16 in number theory.

Sum of Divisors

σ(7749) = 1 + 3 + 7 + 9 + 21 + 27 + 41 + 63 + 123 + 189 + 287 + 369 + 861 + 1107 + 2583 + 7749 = 13440

Properties of 7749

  • 7749 is composite.
  • 7749 is not a perfect square.
  • Number of divisors: 16.
  • Sum of divisors: 13440.

Common Divisors with Another Number?

Looking for the divisors that 7749 shares with another number? Use our Greatest Common Factor (GCF) calculator — it finds all common divisors and the largest one.

Step-by-Step: How to Find the Divisors of 7749

An efficient way to find divisors uses the complementary pair trick: check each integer i from 1 to √7749 ≈ 88.03. If i divides 7749, then both i and 7749/i are divisors.

  1. 1 divides 7749 (7749 ÷ 1 = 7749) → pair (1, 7749)
  2. 3 divides 7749 (7749 ÷ 3 = 2583) → pair (3, 2583)
  3. 7 divides 7749 (7749 ÷ 7 = 1107) → pair (7, 1107)
  4. 9 divides 7749 (7749 ÷ 9 = 861) → pair (9, 861)
  5. 21 divides 7749 (7749 ÷ 21 = 369) → pair (21, 369)
  6. 27 divides 7749 (7749 ÷ 27 = 287) → pair (27, 287)
  7. 41 divides 7749 (7749 ÷ 41 = 189) → pair (41, 189)
  8. 63 divides 7749 (7749 ÷ 63 = 123) → pair (63, 123)
  9. Collect all unique values: {1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 7749} — total 16 divisors.
  10. Sum: 1 + 3 + 7 + 9 + 21 + 27 + 41 + 63 + 123 + 189 + 287 + 369 + 861 + 1107 + 2583 + 7749 = 13440.

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Related Operations for 7749

What Is a Divisor?

A divisor (also called a factor) of a positive integer n is any positive integer d such that n ÷ d has no remainder. In other words, d divides n evenly.

Every positive integer n has at least two divisors: 1 and n itself (with 1 being the trivial case of having only itself). Numbers with exactly 2 divisors are prime; numbers with 3 or more divisors are composite.

Why use this calculator? Beyond just listing divisors, this tool computes the sum σ(n), the count τ(n), prime factorization, divisor pairs (useful for visual learners and factoring problems), and detects whether n is a prime, a perfect square, or a perfect number.

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