11791311

素因数分解:

$3^1\times 7^4\times {\mathrm{1637}}^1$

素因数の和:1668

約数の個数: 20

約数和(自身を含む): 18352152

約数和(自身を除く): 6560841

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1637, 2401, 4911, 7203, 11459, 34377, 80213, 240639, 561491, 1684473, 3930437, 11791311]

約数ペア:

[(1, 11791311), (3, 3930437), (7, 1684473), (21, 561491), (49, 240639), (147, 80213), (343, 34377), (1029, 11459), (1637, 7203), (2401, 4911)]