8906781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1667}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 12890304

約数和(自身を除く): 3983523

約数列:

[1, 3, 13, 39, 137, 411, 1667, 1781, 5001, 5343, 21671, 65013, 228379, 685137, 2968927, 8906781]

約数ペア:

[(1, 8906781), (3, 2968927), (13, 685137), (39, 228379), (137, 65013), (411, 21671), (1667, 5343), (1781, 5001)]