28275891

素因数分解:

$3^1\times 7^3\times {\mathrm{27479}}^1$

素因数の和:27503

約数の個数: 16

約数和(自身を含む): 43968000

約数和(自身を除く): 15692109

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 27479, 82437, 192353, 577059, 1346471, 4039413, 9425297, 28275891]

約数ペア:

[(1, 28275891), (3, 9425297), (7, 4039413), (21, 1346471), (49, 577059), (147, 192353), (343, 82437), (1029, 27479)]