Factors / Factors of 117

Factors of 117

1, 3, 9, 13, 39, 117

117 breaks into 3 pairs, tested up to √117 ≈ 10.8; each pair multiplies back to 117 exactly. 117's full pair list is (1, 117), (3, 39), (9, 13), for 6 divisors in total. 117's divisors other than 117 itself sum to just 65, 52 below 117: the common deficient case. 117 is odd, digit sum 9 for 117; small divisors of 117 include 3, 9. 117 has 6 divisors; 116 has 6 and 118 has 4, so 116 wins here. 117 divided by its largest divisor, 39, gives 3.