15188103

素因数分解:

$3^2\times 7^1\times {\mathrm{491}}^2$

素因数の和:995

約数の個数: 18

約数和(自身を含む): 25123592

約数和(自身を除く): 9935489

約数列:

[1, 3, 7, 9, 21, 63, 491, 1473, 3437, 4419, 10311, 30933, 241081, 723243, 1687567, 2169729, 5062701, 15188103]

約数ペア:

[(1, 15188103), (3, 5062701), (7, 2169729), (9, 1687567), (21, 723243), (63, 241081), (491, 30933), (1473, 10311), (3437, 4419)]