248671413

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{1559}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 369907200

約数和(自身を除く): 121235787

約数列:

[1, 3, 9, 37, 111, 333, 479, 1437, 1559, 4311, 4677, 14031, 17723, 53169, 57683, 159507, 173049, 519147, 746761, 2240283, 6720849, 27630157, 82890471, 248671413]

約数ペア:

[(1, 248671413), (3, 82890471), (9, 27630157), (37, 6720849), (111, 2240283), (333, 746761), (479, 519147), (1437, 173049), (1559, 159507), (4311, 57683), (4677, 53169), (14031, 17723)]