1320793587

素因数分解:

$3^3\times {\mathrm{239}}^1\times {\mathrm{204679}}^1$

素因数の和:204927

約数の個数: 16

約数和(自身を含む): 1964928000

約数和(自身を除く): 644134413

約数列:

[1, 3, 9, 27, 239, 717, 2151, 6453, 204679, 614037, 1842111, 5526333, 48918281, 146754843, 440264529, 1320793587]

約数ペア:

[(1, 1320793587), (3, 440264529), (9, 146754843), (27, 48918281), (239, 5526333), (717, 1842111), (2151, 614037), (6453, 204679)]