12961907721

素因数分解:

$3^2\times 7^2\times {\mathrm{2441}}^1\times {\mathrm{12041}}^1$

素因数の和:14502

約数の個数: 36

約数和(自身を含む): 21790263924

約数和(自身を除く): 8828356203

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 2441, 7323, 12041, 17087, 21969, 36123, 51261, 84287, 108369, 119609, 153783, 252861, 358827, 590009, 758583, 1076481, 1770027, 5310081, 29392081, 88176243, 205744567, 264528729, 617233701, 1440211969, 1851701103, 4320635907, 12961907721]

約数ペア:

[(1, 12961907721), (3, 4320635907), (7, 1851701103), (9, 1440211969), (21, 617233701), (49, 264528729), (63, 205744567), (147, 88176243), (441, 29392081), (2441, 5310081), (7323, 1770027), (12041, 1076481), (17087, 758583), (21969, 590009), (36123, 358827), (51261, 252861), (84287, 153783), (108369, 119609)]