Factors / Factors of 525

Factors of 525

1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525

525 breaks into 6 pairs, tested up to √525 ≈ 22.9; each pair multiplies back to 525 exactly. 525's full pair list is (1, 525), (3, 175), (5, 105), (7, 75), (15, 35), (21, 25), for 12 divisors in total. 525's divisors other than 525 itself sum to just 467, 58 below 525: the common deficient case. 525 is odd, digit sum 12 for 525; small divisors of 525 include 3, 5, 7. 525 has 12 divisors; 524 has 6 and 526 has 4, so 525 wins here. 525 divided by its largest divisor, 175, gives 3.