Factors / Factors of 126

Factors of 126

1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126

126 breaks into 6 pairs, tested up to √126 ≈ 11.2; each pair multiplies back to 126 exactly. 126's full pair list is (1, 126), (2, 63), (3, 42), (6, 21), (7, 18), (9, 14), for 12 divisors in total. 126's divisors other than 126 itself sum to 186, 60 above 126: abundant. 126 is even, digit sum 9 for 126; small divisors of 126 include 2, 3, 6, 7, 9. 126 has 12 divisors; 125 has 4 and 127 has 2, so 126 wins here. 126 divided by its largest divisor, 63, gives 2.