64512721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17291}}^1$

素因数の和:17352

約数の個数: 16

約数和(自身を含む): 81341568

約数和(自身を除く): 16828847

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 17291, 121037, 224783, 708931, 1573481, 4962517, 9216103, 64512721]

約数ペア:

[(1, 64512721), (7, 9216103), (13, 4962517), (41, 1573481), (91, 708931), (287, 224783), (533, 121037), (3731, 17291)]