12921543

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 19308432

約数和(自身を除く): 6386889

約数列:

[1, 3, 9, 43, 129, 173, 193, 387, 519, 579, 1557, 1737, 7439, 8299, 22317, 24897, 33389, 66951, 74691, 100167, 300501, 1435727, 4307181, 12921543]

約数ペア:

[(1, 12921543), (3, 4307181), (9, 1435727), (43, 300501), (129, 100167), (173, 74691), (193, 66951), (387, 33389), (519, 24897), (579, 22317), (1557, 8299), (1737, 7439)]