28149045

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{757}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 47008128

約数和(自身を除く): 18859083

約数列:

[1, 3, 5, 15, 37, 67, 111, 185, 201, 335, 555, 757, 1005, 2271, 2479, 3785, 7437, 11355, 12395, 28009, 37185, 50719, 84027, 140045, 152157, 253595, 420135, 760785, 1876603, 5629809, 9383015, 28149045]

約数ペア:

[(1, 28149045), (3, 9383015), (5, 5629809), (15, 1876603), (37, 760785), (67, 420135), (111, 253595), (185, 152157), (201, 140045), (335, 84027), (555, 50719), (757, 37185), (1005, 28009), (2271, 12395), (2479, 11355), (3785, 7437)]