854396721

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{251}}^1\times {\mathrm{907}}^1$

素因数の和:1306

約数の個数: 32

約数和(自身を含む): 1281369600

約数和(自身を除く): 426972879

約数列:

[1, 3, 9, 27, 139, 251, 417, 753, 907, 1251, 2259, 2721, 3753, 6777, 8163, 24489, 34889, 104667, 126073, 227657, 314001, 378219, 682971, 942003, 1134657, 2048913, 3403971, 6146739, 31644323, 94932969, 284798907, 854396721]

約数ペア:

[(1, 854396721), (3, 284798907), (9, 94932969), (27, 31644323), (139, 6146739), (251, 3403971), (417, 2048913), (753, 1134657), (907, 942003), (1251, 682971), (2259, 378219), (2721, 314001), (3753, 227657), (6777, 126073), (8163, 104667), (24489, 34889)]