261247059

素因数分解:

$3^3\times {\mathrm{43}}^2\times {\mathrm{5233}}^1$

素因数の和:5328

約数の個数: 24

約数和(自身を含む): 396318480

約数和(自身を除く): 135071421

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 1849, 5233, 5547, 15699, 16641, 47097, 49923, 141291, 225019, 675057, 2025171, 6075513, 9675817, 29027451, 87082353, 261247059]

約数ペア:

[(1, 261247059), (3, 87082353), (9, 29027451), (27, 9675817), (43, 6075513), (129, 2025171), (387, 675057), (1161, 225019), (1849, 141291), (5233, 49923), (5547, 47097), (15699, 16641)]