27688025

素因数分解:

$5^2\times {\mathrm{37}}^2\times {\mathrm{809}}^1$

素因数の和:893

約数の個数: 18

約数和(自身を含む): 35329770

約数和(自身を除く): 7641745

約数列:

[1, 5, 25, 37, 185, 809, 925, 1369, 4045, 6845, 20225, 29933, 34225, 149665, 748325, 1107521, 5537605, 27688025]

約数ペア:

[(1, 27688025), (5, 5537605), (25, 1107521), (37, 748325), (185, 149665), (809, 34225), (925, 29933), (1369, 20225), (4045, 6845)]