12511521

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{11489}}^1$

素因数の和:11517

約数の個数: 18

約数和(自身を含む): 19866210

約数和(自身を除く): 7354689

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 11489, 34467, 103401, 126379, 379137, 1137411, 1390169, 4170507, 12511521]

約数ペア:

[(1, 12511521), (3, 4170507), (9, 1390169), (11, 1137411), (33, 379137), (99, 126379), (121, 103401), (363, 34467), (1089, 11489)]