68485781

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{15359}}^1$

素因数の和:15393

約数の個数: 16

約数和(自身を含む): 86016000

約数和(自身を除く): 17530219

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 15359, 107513, 199667, 752591, 1397669, 5268137, 9783683, 68485781]

約数ペア:

[(1, 68485781), (7, 9783683), (13, 5268137), (49, 1397669), (91, 752591), (343, 199667), (637, 107513), (4459, 15359)]