490812831

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{1663}}^1$

素因数の和:2332

約数の個数: 32

約数和(自身を含む): 771563520

約数和(自身を除く): 280750689

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 643, 1663, 1929, 4989, 5787, 10931, 14967, 17361, 28271, 32793, 44901, 84813, 98379, 254439, 295137, 763317, 1069309, 3207927, 9623781, 18178253, 28871343, 54534759, 163604277, 490812831]

約数ペア:

[(1, 490812831), (3, 163604277), (9, 54534759), (17, 28871343), (27, 18178253), (51, 9623781), (153, 3207927), (459, 1069309), (643, 763317), (1663, 295137), (1929, 254439), (4989, 98379), (5787, 84813), (10931, 44901), (14967, 32793), (17361, 28271)]