156943731

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{491}}^2$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 247370752

約数和(自身を除く): 90427021

約数列:

[1, 3, 7, 21, 31, 93, 217, 491, 651, 1473, 3437, 10311, 15221, 45663, 106547, 241081, 319641, 723243, 1687567, 5062701, 7473511, 22420533, 52314577, 156943731]

約数ペア:

[(1, 156943731), (3, 52314577), (7, 22420533), (21, 7473511), (31, 5062701), (93, 1687567), (217, 723243), (491, 319641), (651, 241081), (1473, 106547), (3437, 45663), (10311, 15221)]