12812569

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{2161}}^1$

素因数の和:2197

約数の個数: 18

約数和(自身を含む): 16390122

約数和(自身を除く): 3577553

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 2161, 5929, 15127, 23771, 105889, 166397, 261481, 1164779, 1830367, 12812569]

約数ペア:

[(1, 12812569), (7, 1830367), (11, 1164779), (49, 261481), (77, 166397), (121, 105889), (539, 23771), (847, 15127), (2161, 5929)]