207900231

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{900001}}^1$

素因数の和:900022

約数の個数: 16

約数和(自身を含む): 345600768

約数和(自身を除く): 137700537

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 900001, 2700003, 6300007, 9900011, 18900021, 29700033, 69300077, 207900231]

約数ペア:

[(1, 207900231), (3, 69300077), (7, 29700033), (11, 18900021), (21, 9900011), (33, 6300007), (77, 2700003), (231, 900001)]