256934079

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{142031}}^1$

素因数の和:142107

約数の個数: 16

約数和(自身を含む): 386327040

約数和(自身を除く): 129392961

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 142031, 426093, 1278279, 3834837, 9516077, 28548231, 85644693, 256934079]

約数ペア:

[(1, 256934079), (3, 85644693), (9, 28548231), (27, 9516077), (67, 3834837), (201, 1278279), (603, 426093), (1809, 142031)]