136475241

素因数分解:

$3^1\times 7^4\times {\mathrm{18947}}^1$

素因数の和:18978

約数の個数: 20

約数和(自身を含む): 212293392

約数和(自身を除く): 75818151

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 18947, 56841, 132629, 397887, 928403, 2785209, 6498821, 19496463, 45491747, 136475241]

約数ペア:

[(1, 136475241), (3, 45491747), (7, 19496463), (21, 6498821), (49, 2785209), (147, 928403), (343, 397887), (1029, 132629), (2401, 56841), (7203, 18947)]