Factors / Factors of 429

Factors of 429

1, 3, 11, 13, 33, 39, 143, 429

429 breaks into 4 pairs, tested up to √429 ≈ 20.7; each pair multiplies back to 429 exactly. 429's full pair list is (1, 429), (3, 143), (11, 39), (13, 33), for 8 divisors in total. 429's divisors other than 429 itself sum to just 243, 186 below 429: the common deficient case. 429 is odd, digit sum 15 for 429; small divisors of 429 include 3, 11. 429 has 8 divisors; 428 has 6 and 430 has 8, so 429 wins here. 429 divided by its largest divisor, 143, gives 3.