123553305

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{20959}}^1$

素因数の和:21101

約数の個数: 24

約数和(自身を含む): 215804160

約数和(自身を除く): 92250855

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 20959, 62877, 104795, 188631, 314385, 943155, 2745629, 8236887, 13728145, 24710661, 41184435, 123553305]

約数ペア:

[(1, 123553305), (3, 41184435), (5, 24710661), (9, 13728145), (15, 8236887), (45, 2745629), (131, 943155), (393, 314385), (655, 188631), (1179, 104795), (1965, 62877), (5895, 20959)]