11778291

素因数分解:

$3^4\times 7^1\times {\mathrm{20773}}^1$

素因数の和:20792

約数の個数: 20

約数和(自身を含む): 20109232

約数和(自身を除く): 8330941

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 20773, 62319, 145411, 186957, 436233, 560871, 1308699, 1682613, 3926097, 11778291]

約数ペア:

[(1, 11778291), (3, 3926097), (7, 1682613), (9, 1308699), (21, 560871), (27, 436233), (63, 186957), (81, 145411), (189, 62319), (567, 20773)]