18271071

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3187}}^1$

素因数の和:3220

約数の個数: 36

約数和(自身を含む): 33072312

約数和(自身を除く): 14801241

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 3187, 5733, 9561, 22309, 28683, 41431, 66927, 124293, 156163, 200781, 290017, 372879, 468489, 870051, 1405467, 2030119, 2610153, 6090357, 18271071]

約数ペア:

[(1, 18271071), (3, 6090357), (7, 2610153), (9, 2030119), (13, 1405467), (21, 870051), (39, 468489), (49, 372879), (63, 290017), (91, 200781), (117, 156163), (147, 124293), (273, 66927), (441, 41431), (637, 28683), (819, 22309), (1911, 9561), (3187, 5733)]