861125139

素因数分解:

$3^2\times 7^1\times {\mathrm{13668653}}^1$

素因数の和:13668666

約数の個数: 12

約数和(自身を含む): 1421540016

約数和(自身を除く): 560414877

約数列:

[1, 3, 7, 9, 21, 63, 13668653, 41005959, 95680571, 123017877, 287041713, 861125139]

約数ペア:

[(1, 861125139), (3, 287041713), (7, 123017877), (9, 95680571), (21, 41005959), (63, 13668653)]