258536445

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{1669}}^1$

素因数の和:2149

約数の個数: 32

約数和(自身を含む): 432864000

約数和(自身を除く): 174327555

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 449, 1347, 1669, 2245, 5007, 6735, 8345, 10327, 25035, 30981, 38387, 51635, 115161, 154905, 191935, 575805, 749381, 2248143, 3746905, 11240715, 17235763, 51707289, 86178815, 258536445]

約数ペア:

[(1, 258536445), (3, 86178815), (5, 51707289), (15, 17235763), (23, 11240715), (69, 3746905), (115, 2248143), (345, 749381), (449, 575805), (1347, 191935), (1669, 154905), (2245, 115161), (5007, 51635), (6735, 38387), (8345, 30981), (10327, 25035)]