31576701

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 48601728

約数和(自身を除く): 17025027

約数列:

[1, 3, 13, 17, 39, 51, 97, 221, 291, 491, 663, 1261, 1473, 1649, 3783, 4947, 6383, 8347, 19149, 21437, 25041, 47627, 64311, 108511, 142881, 325533, 619151, 809659, 1857453, 2428977, 10525567, 31576701]

約数ペア:

[(1, 31576701), (3, 10525567), (13, 2428977), (17, 1857453), (39, 809659), (51, 619151), (97, 325533), (221, 142881), (291, 108511), (491, 64311), (663, 47627), (1261, 25041), (1473, 21437), (1649, 19149), (3783, 8347), (4947, 6383)]