25905621

素因数分解:

$3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{6199}}^1$

素因数の和:6408

約数の個数: 16

約数和(自身を含む): 39680000

約数和(自身を除く): 13774379

約数列:

[1, 3, 7, 21, 199, 597, 1393, 4179, 6199, 18597, 43393, 130179, 1233601, 3700803, 8635207, 25905621]

約数ペア:

[(1, 25905621), (3, 8635207), (7, 3700803), (21, 1233601), (199, 130179), (597, 43393), (1393, 18597), (4179, 6199)]