689400321

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{97003}}^1$

素因数の和:97132

約数の個数: 16

約数和(自身を含む): 968487936

約数和(自身を除く): 279087615

約数列:

[1, 3, 23, 69, 103, 309, 2369, 7107, 97003, 291009, 2231069, 6693207, 9991309, 29973927, 229800107, 689400321]

約数ペア:

[(1, 689400321), (3, 229800107), (23, 29973927), (69, 9991309), (103, 6693207), (309, 2231069), (2369, 291009), (7107, 97003)]