15296981

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 18201600

約数和(自身を除く): 2904619

約数列:

[1, 7, 31, 157, 217, 449, 1099, 3143, 4867, 13919, 34069, 70493, 97433, 493451, 2185283, 15296981]

約数ペア:

[(1, 15296981), (7, 2185283), (31, 493451), (157, 97433), (217, 70493), (449, 34069), (1099, 13919), (3143, 4867)]