197961207

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{66721}}^1$

素因数の和:66790

約数の個数: 16

約数和(自身を含む): 281833728

約数和(自身を除く): 83872521

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 66721, 200163, 1534583, 2869003, 4603749, 8607009, 65987069, 197961207]

約数ペア:

[(1, 197961207), (3, 65987069), (23, 8607009), (43, 4603749), (69, 2869003), (129, 1534583), (989, 200163), (2967, 66721)]