28218663

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1913}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 44787600

約数和(自身を除く): 16568937

約数列:

[1, 3, 9, 11, 33, 99, 149, 447, 1341, 1639, 1913, 4917, 5739, 14751, 17217, 21043, 63129, 189387, 285037, 855111, 2565333, 3135407, 9406221, 28218663]

約数ペア:

[(1, 28218663), (3, 9406221), (9, 3135407), (11, 2565333), (33, 855111), (99, 285037), (149, 189387), (447, 63129), (1341, 21043), (1639, 17217), (1913, 14751), (4917, 5739)]