145981731

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{52267}}^1$

素因数の和:52303

約数の個数: 24

約数和(自身を含む): 238342080

約数和(自身を除く): 92360349

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 52267, 156801, 365869, 993073, 1097607, 2561083, 2979219, 6951511, 7683249, 20854533, 48660577, 145981731]

約数ペア:

[(1, 145981731), (3, 48660577), (7, 20854533), (19, 7683249), (21, 6951511), (49, 2979219), (57, 2561083), (133, 1097607), (147, 993073), (399, 365869), (931, 156801), (2793, 52267)]