68562081

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{25309}}^1$

素因数の和:25365

約数の個数: 24

約数和(自身を含む): 115818560

約数和(自身を除く): 47256479

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 25309, 75927, 177163, 227781, 531489, 1088287, 1594467, 3264861, 7618009, 9794583, 22854027, 68562081]

約数ペア:

[(1, 68562081), (3, 22854027), (7, 9794583), (9, 7618009), (21, 3264861), (43, 1594467), (63, 1088287), (129, 531489), (301, 227781), (387, 177163), (903, 75927), (2709, 25309)]