Factors / Factors of 359

Factors of 359

1, 359

359 is prime: only factor pair is (1, 359), confirmed by trial division up to √359 ≈ 18.9 turning up nothing else. 359's full pair list is (1, 359), for 2 divisors in total. 359's divisors other than 359 itself sum to just 1, 358 below 359: the common deficient case. 359 is odd, digit sum 17 for 359; none of 2-12 divide 359 evenly. 359 has 2 divisors; 358 has 4 and 360 has 24, so 360 wins here. 359 divided by its largest divisor, 1, gives 359.