290856891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{54437}}^1$

素因数の和:54590

約数の個数: 16

約数和(自身を含む): 420696864

約数和(自身を除く): 129839973

約数列:

[1, 3, 13, 39, 137, 411, 1781, 5343, 54437, 163311, 707681, 2123043, 7457869, 22373607, 96952297, 290856891]

約数ペア:

[(1, 290856891), (3, 96952297), (13, 22373607), (39, 7457869), (137, 2123043), (411, 707681), (1781, 163311), (5343, 54437)]