68351619

素因数分解:

$3^1\times 7^2\times {\mathrm{491}}^1\times {\mathrm{947}}^1$

素因数の和:1455

約数の個数: 24

約数和(自身を含む): 106342848

約数和(自身を除く): 37991229

約数列:

[1, 3, 7, 21, 49, 147, 491, 947, 1473, 2841, 3437, 6629, 10311, 19887, 24059, 46403, 72177, 139209, 464977, 1394931, 3254839, 9764517, 22783873, 68351619]

約数ペア:

[(1, 68351619), (3, 22783873), (7, 9764517), (21, 3254839), (49, 1394931), (147, 464977), (491, 139209), (947, 72177), (1473, 46403), (2841, 24059), (3437, 19887), (6629, 10311)]