149898889

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{19001}}^1$

素因数の和:19045

約数の個数: 16

約数和(自身を含む): 182419200

約数和(自身を除く): 32520311

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 19001, 133007, 437023, 931049, 3059161, 6517343, 21414127, 149898889]

約数ペア:

[(1, 149898889), (7, 21414127), (23, 6517343), (49, 3059161), (161, 931049), (343, 437023), (1127, 133007), (7889, 19001)]