68388723

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{44963}}^1$

素因数の和:44995

約数の個数: 18

約数和(自身を含む): 106969356

約数和(自身を除く): 38580633

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 44963, 134889, 404667, 584519, 1753557, 5260671, 7598747, 22796241, 68388723]

約数ペア:

[(1, 68388723), (3, 22796241), (9, 7598747), (13, 5260671), (39, 1753557), (117, 584519), (169, 404667), (507, 134889), (1521, 44963)]