Factors / Factors of 427

Factors of 427

1, 7, 61, 427

427 breaks into 2 pairs, tested up to √427 ≈ 20.7; each pair multiplies back to 427 exactly. 427's full pair list is (1, 427), (7, 61), for 4 divisors in total. 427's divisors other than 427 itself sum to just 69, 358 below 427: the common deficient case. 427 is odd, digit sum 13 for 427; small divisors of 427 include 7. 427 has 4 divisors; 426 has 8 and 428 has 6, so 426 wins here. 427 divided by its largest divisor, 61, gives 7.