201211003

素因数分解:

$7^4\times {\mathrm{181}}^1\times {\mathrm{463}}^1$

素因数の和:672

約数の個数: 20

約数和(自身を含む): 236538848

約数和(自身を除く): 35327845

約数列:

[1, 7, 49, 181, 343, 463, 1267, 2401, 3241, 8869, 22687, 62083, 83803, 158809, 434581, 586621, 1111663, 4106347, 28744429, 201211003]

約数ペア:

[(1, 201211003), (7, 28744429), (49, 4106347), (181, 1111663), (343, 586621), (463, 434581), (1267, 158809), (2401, 83803), (3241, 62083), (8869, 22687)]