13998025

素因数分解:

$5^2\times {\mathrm{37}}^2\times {\mathrm{409}}^1$

素因数の和:493

約数の個数: 18

約数和(自身を含む): 17882970

約数和(自身を除く): 3884945

約数列:

[1, 5, 25, 37, 185, 409, 925, 1369, 2045, 6845, 10225, 15133, 34225, 75665, 378325, 559921, 2799605, 13998025]

約数ペア:

[(1, 13998025), (5, 2799605), (25, 559921), (37, 378325), (185, 75665), (409, 34225), (925, 15133), (1369, 10225), (2045, 6845)]