81540913

素因数分解:

${\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 87497280

約数和(自身を除く): 5956367

約数列:

[1, 19, 113, 163, 233, 2147, 3097, 4427, 18419, 26329, 37979, 349961, 500251, 721601, 4291627, 81540913]

約数ペア:

[(1, 81540913), (19, 4291627), (113, 721601), (163, 500251), (233, 349961), (2147, 37979), (3097, 26329), (4427, 18419)]