56687121

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{3083}}^1$

素因数の和:3322

約数の個数: 20

約数和(自身を含む): 85081392

約数和(自身を除く): 28394271

約数列:

[1, 3, 9, 27, 81, 227, 681, 2043, 3083, 6129, 9249, 18387, 27747, 83241, 249723, 699841, 2099523, 6298569, 18895707, 56687121]

約数ペア:

[(1, 56687121), (3, 18895707), (9, 6298569), (27, 2099523), (81, 699841), (227, 249723), (681, 83241), (2043, 27747), (3083, 18387), (6129, 9249)]