490871187

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{709}}^1\times {\mathrm{1789}}^1$

素因数の和:2547

約数の個数: 24

約数和(自身を含む): 726954800

約数和(自身を除く): 236083613

約数列:

[1, 3, 9, 43, 129, 387, 709, 1789, 2127, 5367, 6381, 16101, 30487, 76927, 91461, 230781, 274383, 692343, 1268401, 3805203, 11415609, 54541243, 163623729, 490871187]

約数ペア:

[(1, 490871187), (3, 163623729), (9, 54541243), (43, 11415609), (129, 3805203), (387, 1268401), (709, 692343), (1789, 274383), (2127, 230781), (5367, 91461), (6381, 76927), (16101, 30487)]