Factors / Factors of 317

Factors of 317

1, 317

317 is prime: only factor pair is (1, 317), confirmed by trial division up to √317 ≈ 17.8 turning up nothing else. 317's full pair list is (1, 317), for 2 divisors in total. 317's divisors other than 317 itself sum to just 1, 316 below 317: the common deficient case. 317 is odd, digit sum 11 for 317; none of 2-12 divide 317 evenly. 317 has 2 divisors; 316 has 6 and 318 has 8, so 318 wins here. 317 divided by its largest divisor, 1, gives 317.