215523213

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1549}}^1\times {\mathrm{2441}}^1$

素因数の和:4012

約数の個数: 16

約数和(自身を含む): 302808000

約数和(自身を除く): 87284787

約数列:

[1, 3, 19, 57, 1549, 2441, 4647, 7323, 29431, 46379, 88293, 139137, 3781109, 11343327, 71841071, 215523213]

約数ペア:

[(1, 215523213), (3, 71841071), (19, 11343327), (57, 3781109), (1549, 139137), (2441, 88293), (4647, 46379), (7323, 29431)]