257010957

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{94873}}^1$

素因数の和:94929

約数の個数: 24

約数和(自身を含む): 434143424

約数和(自身を除く): 177132467

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 94873, 284619, 664111, 853857, 1992333, 4079539, 5976999, 12238617, 28556773, 36715851, 85670319, 257010957]

約数ペア:

[(1, 257010957), (3, 85670319), (7, 36715851), (9, 28556773), (21, 12238617), (43, 5976999), (63, 4079539), (129, 1992333), (301, 853857), (387, 664111), (903, 284619), (2709, 94873)]