3990662571

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{287491}}^1$

素因数の和:288162

約数の個数: 16

約数和(自身を含む): 6090230528

約数和(自身を除く): 2099567957

約数列:

[1, 3, 7, 21, 661, 1983, 4627, 13881, 287491, 862473, 2012437, 6037311, 190031551, 570094653, 1330220857, 3990662571]

約数ペア:

[(1, 3990662571), (3, 1330220857), (7, 570094653), (21, 190031551), (661, 6037311), (1983, 2012437), (4627, 862473), (13881, 287491)]