209745907

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1\times {\mathrm{1061}}^1$

素因数の和:2010

約数の個数: 16

約数和(自身を含む): 247947264

約数和(自身を除く): 38201357

約数列:

[1, 7, 31, 217, 911, 1061, 6377, 7427, 28241, 32891, 197687, 230237, 966571, 6765997, 29963701, 209745907]

約数ペア:

[(1, 209745907), (7, 29963701), (31, 6765997), (217, 966571), (911, 230237), (1061, 197687), (6377, 32891), (7427, 28241)]