Factors / Factors of 537

Factors of 537

1, 3, 179, 537

537 breaks into 2 pairs, tested up to √537 ≈ 23.2; each pair multiplies back to 537 exactly. 537's full pair list is (1, 537), (3, 179), for 4 divisors in total. 537's divisors other than 537 itself sum to just 183, 354 below 537: the common deficient case. 537 is odd, digit sum 15 for 537; small divisors of 537 include 3. 537 has 4 divisors; 536 has 8 and 538 has 4, so 536 wins here. 537 divided by its largest divisor, 179, gives 3.