1280914791

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{239737}}^1$

素因数の和:239890

約数の個数: 16

約数和(自身を含む): 1852695264

約数和(自身を除く): 571780473

約数列:

[1, 3, 13, 39, 137, 411, 1781, 5343, 239737, 719211, 3116581, 9349743, 32843969, 98531907, 426971597, 1280914791]

約数ペア:

[(1, 1280914791), (3, 426971597), (13, 98531907), (39, 32843969), (137, 9349743), (411, 3116581), (1781, 719211), (5343, 239737)]