20772999

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4129}}^1$

素因数の和:4191

約数の個数: 24

約数和(自身を含む): 33073040

約数和(自身を除く): 12300041

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 4129, 5031, 12387, 37161, 53677, 161031, 177547, 483093, 532641, 1597923, 2308111, 6924333, 20772999]

約数ペア:

[(1, 20772999), (3, 6924333), (9, 2308111), (13, 1597923), (39, 532641), (43, 483093), (117, 177547), (129, 161031), (387, 53677), (559, 37161), (1677, 12387), (4129, 5031)]