68815565

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151243}}^1$

素因数の和:151268

約数の個数: 16

約数和(自身を含む): 101635968

約数和(自身を除く): 32820403

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 151243, 756215, 1058701, 1966159, 5293505, 9830795, 13763113, 68815565]

約数ペア:

[(1, 68815565), (5, 13763113), (7, 9830795), (13, 5293505), (35, 1966159), (65, 1058701), (91, 756215), (455, 151243)]