2017556721

素因数分解:

$3^3\times {\mathrm{3331}}^1\times {\mathrm{22433}}^1$

素因数の和:25773

約数の個数: 16

約数和(自身を含む): 2990003520

約数和(自身を除く): 972446799

約数列:

[1, 3, 9, 27, 3331, 9993, 22433, 29979, 67299, 89937, 201897, 605691, 74724323, 224172969, 672518907, 2017556721]

約数ペア:

[(1, 2017556721), (3, 672518907), (9, 224172969), (27, 74724323), (3331, 605691), (9993, 201897), (22433, 89937), (29979, 67299)]