68517687

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{23473}}^1$

素因数の和:23622

約数の個数: 16

約数和(自身を含む): 105163520

約数和(自身を除く): 36645833

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 23473, 70419, 164311, 492933, 3262747, 9788241, 22839229, 68517687]

約数ペア:

[(1, 68517687), (3, 22839229), (7, 9788241), (21, 3262747), (139, 492933), (417, 164311), (973, 70419), (2919, 23473)]