31056879

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 48953344

約数和(自身を除く): 17896465

約数列:

[1, 3, 7, 21, 43, 129, 163, 211, 301, 489, 633, 903, 1141, 1477, 3423, 4431, 7009, 9073, 21027, 27219, 34393, 49063, 63511, 103179, 147189, 190533, 240751, 722253, 1478899, 4436697, 10352293, 31056879]

約数ペア:

[(1, 31056879), (3, 10352293), (7, 4436697), (21, 1478899), (43, 722253), (129, 240751), (163, 190533), (211, 147189), (301, 103179), (489, 63511), (633, 49063), (903, 34393), (1141, 27219), (1477, 21027), (3423, 9073), (4431, 7009)]