390638439

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{709}}^1\times {\mathrm{2111}}^1$

素因数の和:2855

約数の個数: 24

約数和(自身を含む): 584812800

約数和(自身を除く): 194174361

約数列:

[1, 3, 9, 29, 87, 261, 709, 2111, 2127, 6333, 6381, 18999, 20561, 61219, 61683, 183657, 185049, 550971, 1496699, 4490097, 13470291, 43404271, 130212813, 390638439]

約数ペア:

[(1, 390638439), (3, 130212813), (9, 43404271), (29, 13470291), (87, 4490097), (261, 1496699), (709, 550971), (2111, 185049), (2127, 183657), (6333, 61683), (6381, 61219), (18999, 20561)]