12499473

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31327}}^1$

素因数の和:31356

約数の個数: 16

約数和(自身を含む): 20049920

約数和(自身を除く): 7550447

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 31327, 93981, 219289, 595213, 657867, 1785639, 4166491, 12499473]

約数ペア:

[(1, 12499473), (3, 4166491), (7, 1785639), (19, 657867), (21, 595213), (57, 219289), (133, 93981), (399, 31327)]