31379709

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 42586560

約数和(自身を除く): 11206851

約数列:

[1, 3, 89, 211, 267, 557, 633, 1671, 18779, 49573, 56337, 117527, 148719, 352581, 10459903, 31379709]

約数ペア:

[(1, 31379709), (3, 10459903), (89, 352581), (211, 148719), (267, 117527), (557, 56337), (633, 49573), (1671, 18779)]