25138491

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1811}}^1$

素因数の和:2482

約数の個数: 16

約数和(自身を含む): 38385408

約数和(自身を除く): 13246917

約数列:

[1, 3, 7, 21, 661, 1811, 1983, 4627, 5433, 12677, 13881, 38031, 1197071, 3591213, 8379497, 25138491]

約数ペア:

[(1, 25138491), (3, 8379497), (7, 3591213), (21, 1197071), (661, 38031), (1811, 13881), (1983, 12677), (4627, 5433)]