388703907

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{13417}}^1$

素因数の和:13492

約数の個数: 32

約数和(自身を含む): 611860800

約数和(自身を除く): 223156893

約数列:

[1, 3, 9, 27, 29, 37, 87, 111, 261, 333, 783, 999, 1073, 3219, 9657, 13417, 28971, 40251, 120753, 362259, 389093, 496429, 1167279, 1489287, 3501837, 4467861, 10505511, 13403583, 14396441, 43189323, 129567969, 388703907]

約数ペア:

[(1, 388703907), (3, 129567969), (9, 43189323), (27, 14396441), (29, 13403583), (37, 10505511), (87, 4467861), (111, 3501837), (261, 1489287), (333, 1167279), (783, 496429), (999, 389093), (1073, 362259), (3219, 120753), (9657, 40251), (13417, 28971)]