68147961

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{21491}}^1$

素因数の和:21652

約数の個数: 16

約数和(自身を含む): 104537088

約数和(自身を除く): 36389127

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 21491, 64473, 150437, 451311, 3245141, 9735423, 22715987, 68147961]

約数ペア:

[(1, 68147961), (3, 22715987), (7, 9735423), (21, 3245141), (151, 451311), (453, 150437), (1057, 64473), (3171, 21491)]