209898241

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{9391}}^1$

素因数の和:9532

約数の個数: 16

約数和(自身を含む): 250052608

約数和(自身を除く): 40154367

約数列:

[1, 7, 31, 103, 217, 721, 3193, 9391, 22351, 65737, 291121, 967273, 2037847, 6770911, 29985463, 209898241]

約数ペア:

[(1, 209898241), (7, 29985463), (31, 6770911), (103, 2037847), (217, 967273), (721, 291121), (3193, 65737), (9391, 22351)]