25684389

素因数分解:

$3^2\times {\mathrm{103}}^2\times {\mathrm{269}}^1$

素因数の和:481

約数の個数: 18

約数和(自身を含む): 37602630

約数和(自身を除く): 11918241

約数列:

[1, 3, 9, 103, 269, 309, 807, 927, 2421, 10609, 27707, 31827, 83121, 95481, 249363, 2853821, 8561463, 25684389]

約数ペア:

[(1, 25684389), (3, 8561463), (9, 2853821), (103, 249363), (269, 95481), (309, 83121), (807, 31827), (927, 27707), (2421, 10609)]