8181873

素因数分解:

$3^2\times 7^2\times {\mathrm{18553}}^1$

素因数の和:18573

約数の個数: 18

約数和(自身を含む): 13748514

約数和(自身を除く): 5566641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 18553, 55659, 129871, 166977, 389613, 909097, 1168839, 2727291, 8181873]

約数ペア:

[(1, 8181873), (3, 2727291), (7, 1168839), (9, 909097), (21, 389613), (49, 166977), (63, 129871), (147, 55659), (441, 18553)]