207648721

素因数分解:

$7^2\times {\mathrm{103}}^1\times {\mathrm{41143}}^1$

素因数の和:41260

約数の個数: 12

約数和(自身を含む): 243901632

約数和(自身を除く): 36252911

約数列:

[1, 7, 49, 103, 721, 5047, 41143, 288001, 2016007, 4237729, 29664103, 207648721]

約数ペア:

[(1, 207648721), (7, 29664103), (49, 4237729), (103, 2016007), (721, 288001), (5047, 41143)]