1211331

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 1838592

約数和(自身を除く): 627261

約数列:

[1, 3, 11, 33, 47, 71, 121, 141, 213, 363, 517, 781, 1551, 2343, 3337, 5687, 8591, 10011, 17061, 25773, 36707, 110121, 403777, 1211331]

約数ペア:

[(1, 1211331), (3, 403777), (11, 110121), (33, 36707), (47, 25773), (71, 17061), (121, 10011), (141, 8591), (213, 5687), (363, 3337), (517, 2343), (781, 1551)]