28207467

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 43464960

約数和(自身を除く): 15257493

約数列:

[1, 3, 9, 27, 41, 83, 123, 249, 307, 369, 747, 921, 1107, 2241, 2763, 3403, 8289, 10209, 12587, 25481, 30627, 37761, 76443, 91881, 113283, 229329, 339849, 687987, 1044721, 3134163, 9402489, 28207467]

約数ペア:

[(1, 28207467), (3, 9402489), (9, 3134163), (27, 1044721), (41, 687987), (83, 339849), (123, 229329), (249, 113283), (307, 91881), (369, 76443), (747, 37761), (921, 30627), (1107, 25481), (2241, 12587), (2763, 10209), (3403, 8289)]