129621807

素因数分解:

$3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{1699}}^1$

素因数の和:1892

約数の個数: 36

約数和(自身を含む): 219187800

約数和(自身を除く): 89565993

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 441, 519, 1211, 1557, 1699, 3633, 5097, 8477, 10899, 11893, 15291, 25431, 35679, 76293, 83251, 107037, 249753, 293927, 749259, 881781, 2057489, 2645343, 6172467, 14402423, 18517401, 43207269, 129621807]

約数ペア:

[(1, 129621807), (3, 43207269), (7, 18517401), (9, 14402423), (21, 6172467), (49, 2645343), (63, 2057489), (147, 881781), (173, 749259), (441, 293927), (519, 249753), (1211, 107037), (1557, 83251), (1699, 76293), (3633, 35679), (5097, 25431), (8477, 15291), (10899, 11893)]