9090025

素因数分解:

$5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 13015040

約数和(自身を除く): 3925015

約数列:

[1, 5, 7, 25, 35, 127, 175, 409, 635, 889, 2045, 2863, 3175, 4445, 10225, 14315, 22225, 51943, 71575, 259715, 363601, 1298575, 1818005, 9090025]

約数ペア:

[(1, 9090025), (5, 1818005), (7, 1298575), (25, 363601), (35, 259715), (127, 71575), (175, 51943), (409, 22225), (635, 14315), (889, 10225), (2045, 4445), (2863, 3175)]