Factors / Factors of 369

Factors of 369

1, 3, 9, 41, 123, 369

369 breaks into 3 pairs, tested up to √369 ≈ 19.2; each pair multiplies back to 369 exactly. 369's full pair list is (1, 369), (3, 123), (9, 41), for 6 divisors in total. 369's divisors other than 369 itself sum to just 177, 192 below 369: the common deficient case. 369 is odd, digit sum 18 for 369; small divisors of 369 include 3, 9. 369 has 6 divisors; 368 has 10 and 370 has 8, so 368 wins here. 369 divided by its largest divisor, 123, gives 3.