90815121

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{18583}}^1$

素因数の和:18773

約数の個数: 16

約数和(自身を含む): 135291520

約数和(自身を除く): 44476399

約数列:

[1, 3, 9, 27, 181, 543, 1629, 4887, 18583, 55749, 167247, 501741, 3363523, 10090569, 30271707, 90815121]

約数ペア:

[(1, 90815121), (3, 30271707), (9, 10090569), (27, 3363523), (181, 501741), (543, 167247), (1629, 55749), (4887, 18583)]