25313505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{491}}^2$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 46382016

約数和(自身を除く): 21068511

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 491, 1473, 2455, 3437, 7365, 10311, 17185, 51555, 241081, 723243, 1205405, 1687567, 3616215, 5062701, 8437835, 25313505]

約数ペア:

[(1, 25313505), (3, 8437835), (5, 5062701), (7, 3616215), (15, 1687567), (21, 1205405), (35, 723243), (105, 241081), (491, 51555), (1473, 17185), (2455, 10311), (3437, 7365)]