208345907

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{245981}}^1$

素因数の和:246010

約数の個数: 12

約数和(自身を含む): 261724848

約数和(自身を除く): 53378941

約数列:

[1, 7, 11, 77, 121, 847, 245981, 1721867, 2705791, 18940537, 29763701, 208345907]

約数ペア:

[(1, 208345907), (7, 29763701), (11, 18940537), (77, 2705791), (121, 1721867), (847, 245981)]