Factors / Factors of 459

Factors of 459

1, 3, 9, 17, 27, 51, 153, 459

459 breaks into 4 pairs, tested up to √459 ≈ 21.4; each pair multiplies back to 459 exactly. 459's full pair list is (1, 459), (3, 153), (9, 51), (17, 27), for 8 divisors in total. 459's divisors other than 459 itself sum to just 261, 198 below 459: the common deficient case. 459 is odd, digit sum 18 for 459; small divisors of 459 include 3, 9. 459 has 8 divisors; 458 has 4 and 460 has 12, so 460 wins here. 459 divided by its largest divisor, 153, gives 3.