90009031

素因数分解:

$7^3\times {\mathrm{397}}^1\times {\mathrm{661}}^1$

素因数の和:1079

約数の個数: 16

約数和(自身を含む): 105390400

約数和(自身を除く): 15381369

約数列:

[1, 7, 49, 343, 397, 661, 2779, 4627, 19453, 32389, 136171, 226723, 262417, 1836919, 12858433, 90009031]

約数ペア:

[(1, 90009031), (7, 12858433), (49, 1836919), (343, 262417), (397, 226723), (661, 136171), (2779, 32389), (4627, 19453)]