1296509985

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{670031}}^1$

素因数の和:670085

約数の個数: 24

約数和(自身を含む): 2299549824

約数和(自身を除く): 1003039839

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 670031, 2010093, 3350155, 6030279, 10050465, 28811333, 30151395, 86433999, 144056665, 259301997, 432169995, 1296509985]

約数ペア:

[(1, 1296509985), (3, 432169995), (5, 259301997), (9, 144056665), (15, 86433999), (43, 30151395), (45, 28811333), (129, 10050465), (215, 6030279), (387, 3350155), (645, 2010093), (1935, 670031)]