27751221

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{27779}}^1$

素因数の和:27825

約数の個数: 16

約数和(自身を含む): 42225600

約数和(自身を除く): 14474379

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 27779, 83337, 250011, 750033, 1027823, 3083469, 9250407, 27751221]

約数ペア:

[(1, 27751221), (3, 9250407), (9, 3083469), (27, 1027823), (37, 750033), (111, 250011), (333, 83337), (999, 27779)]