Factors / Factors of 378

Factors of 378

1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378

378 breaks into 8 pairs, tested up to √378 ≈ 19.4; each pair multiplies back to 378 exactly. 378's full pair list is (1, 378), (2, 189), (3, 126), (6, 63), (7, 54), (9, 42), (14, 27), (18, 21), for 16 divisors in total. 378's divisors other than 378 itself sum to 582, 204 above 378: abundant. 378 is even, digit sum 18 for 378; small divisors of 378 include 2, 3, 6, 7, 9. 378 has 16 divisors; 377 has 4 and 379 has 2, so 378 wins here. 378 divided by its largest divisor, 189, gives 2.