256302009

素因数分解:

$3^3\times {\mathrm{397}}^1\times {\mathrm{23911}}^1$

素因数の和:24317

約数の個数: 16

約数和(自身を含む): 380679040

約数和(自身を除く): 124377031

約数列:

[1, 3, 9, 27, 397, 1191, 3573, 10719, 23911, 71733, 215199, 645597, 9492667, 28478001, 85434003, 256302009]

約数ペア:

[(1, 256302009), (3, 85434003), (9, 28478001), (27, 9492667), (397, 645597), (1191, 215199), (3573, 71733), (10719, 23911)]