726345981

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{625621}}^1$

素因数の和:625673

約数の個数: 16

約数和(自身を含む): 1101094720

約数和(自身を除く): 374748739

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 625621, 1876863, 5630589, 16891767, 26901703, 80705109, 242115327, 726345981]

約数ペア:

[(1, 726345981), (3, 242115327), (9, 80705109), (27, 26901703), (43, 16891767), (129, 5630589), (387, 1876863), (1161, 625621)]