221787071

素因数分解:

${\mathrm{11}}^2\times {\mathrm{647}}^1\times {\mathrm{2833}}^1$

素因数の和:3502

約数の個数: 12

約数和(自身を含む): 244245456

約数和(自身を除く): 22458385

約数列:

[1, 11, 121, 647, 2833, 7117, 31163, 78287, 342793, 1832951, 20162461, 221787071]

約数ペア:

[(1, 221787071), (11, 20162461), (121, 1832951), (647, 342793), (2833, 78287), (7117, 31163)]