7128471

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 11228544

約数和(自身を除く): 4100073

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 683, 1491, 2049, 3479, 4781, 10437, 14343, 33467, 48493, 100401, 145479, 339451, 1018353, 2376157, 7128471]

約数ペア:

[(1, 7128471), (3, 2376157), (7, 1018353), (21, 339451), (49, 145479), (71, 100401), (147, 48493), (213, 33467), (497, 14343), (683, 10437), (1491, 4781), (2049, 3479)]