20171666193

素因数分解:

$3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{441229}}^1$

素因数の和:441557

約数の個数: 24

約数和(自身を含む): 31387337280

約数和(自身を除く): 11215671087

約数列:

[1, 3, 7, 21, 49, 147, 311, 933, 2177, 6531, 15239, 45717, 441229, 1323687, 3088603, 9265809, 21620221, 64860663, 137222219, 411666657, 960555533, 2881666599, 6723888731, 20171666193]

約数ペア:

[(1, 20171666193), (3, 6723888731), (7, 2881666599), (21, 960555533), (49, 411666657), (147, 137222219), (311, 64860663), (933, 21620221), (2177, 9265809), (6531, 3088603), (15239, 1323687), (45717, 441229)]