11821953

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1621}}^1$

素因数の和:1665

約数の個数: 32

約数和(自身を含む): 19619712

約数和(自身を除く): 7797759

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 1621, 2431, 4863, 7293, 17831, 21073, 27557, 53493, 63219, 82671, 231803, 303127, 358241, 695409, 909381, 1074723, 3940651, 11821953]

約数ペア:

[(1, 11821953), (3, 3940651), (11, 1074723), (13, 909381), (17, 695409), (33, 358241), (39, 303127), (51, 231803), (143, 82671), (187, 63219), (221, 53493), (429, 27557), (561, 21073), (663, 17831), (1621, 7293), (2431, 4863)]