71320815

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{68909}}^1$

素因数の和:68943

約数の個数: 24

約数和(自身を含む): 128999520

約数和(自身を除く): 57678705

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 68909, 206727, 344545, 620181, 1033635, 1584907, 3100905, 4754721, 7924535, 14264163, 23773605, 71320815]

約数ペア:

[(1, 71320815), (3, 23773605), (5, 14264163), (9, 7924535), (15, 4754721), (23, 3100905), (45, 1584907), (69, 1033635), (115, 620181), (207, 344545), (345, 206727), (1035, 68909)]