28094265

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14519}}^1$

素因数の和:14573

約数の個数: 24

約数和(自身を含む): 49832640

約数和(自身を除く): 21738375

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 14519, 43557, 72595, 130671, 217785, 624317, 653355, 1872951, 3121585, 5618853, 9364755, 28094265]

約数ペア:

[(1, 28094265), (3, 9364755), (5, 5618853), (9, 3121585), (15, 1872951), (43, 653355), (45, 624317), (129, 217785), (215, 130671), (387, 72595), (645, 43557), (1935, 14519)]