312379557

素因数分解:

$3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{13037}}^1$

素因数の和:13217

約数の個数: 24

約数和(自身を含む): 487516896

約数和(自身を除く): 175137339

約数列:

[1, 3, 7, 21, 49, 147, 163, 489, 1141, 3423, 7987, 13037, 23961, 39111, 91259, 273777, 638813, 1916439, 2125031, 6375093, 14875217, 44625651, 104126519, 312379557]

約数ペア:

[(1, 312379557), (3, 104126519), (7, 44625651), (21, 14875217), (49, 6375093), (147, 2125031), (163, 1916439), (489, 638813), (1141, 273777), (3423, 91259), (7987, 39111), (13037, 23961)]