Factors / Factors of 527

Factors of 527

1, 17, 31, 527

527 breaks into 2 pairs, tested up to √527 ≈ 23.0; each pair multiplies back to 527 exactly. 527's full pair list is (1, 527), (17, 31), for 4 divisors in total. 527's divisors other than 527 itself sum to just 49, 478 below 527: the common deficient case. 527 is odd, digit sum 14 for 527; none of 2-12 divide 527 evenly. 527 has 4 divisors; 526 has 4 and 528 has 20, so 528 wins here. 527 divided by its largest divisor, 31, gives 17.