Factors / Factors of 507

Factors of 507

1, 3, 13, 39, 169, 507

507 breaks into 3 pairs, tested up to √507 ≈ 22.5; each pair multiplies back to 507 exactly. 507's full pair list is (1, 507), (3, 169), (13, 39), for 6 divisors in total. 507's divisors other than 507 itself sum to just 225, 282 below 507: the common deficient case. 507 is odd, digit sum 12 for 507; small divisors of 507 include 3. 507 has 6 divisors; 506 has 8 and 508 has 6, so 506 wins here. 507 divided by its largest divisor, 169, gives 3.