804865185

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{415951}}^1$

素因数の和:416005

約数の個数: 24

約数和(自身を含む): 1427547264

約数和(自身を除く): 622682079

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 415951, 1247853, 2079755, 3743559, 6239265, 17885893, 18717795, 53657679, 89429465, 160973037, 268288395, 804865185]

約数ペア:

[(1, 804865185), (3, 268288395), (5, 160973037), (9, 89429465), (15, 53657679), (43, 18717795), (45, 17885893), (129, 6239265), (215, 3743559), (387, 2079755), (645, 1247853), (1935, 415951)]