208884165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{20509}}^1$

素因数の和:20621

約数の個数: 32

約数和(自身を含む): 385916160

約数和(自身を除く): 177031995

約数列:

[1, 3, 5, 7, 15, 21, 35, 97, 105, 291, 485, 679, 1455, 2037, 3395, 10185, 20509, 61527, 102545, 143563, 307635, 430689, 717815, 1989373, 2153445, 5968119, 9946865, 13925611, 29840595, 41776833, 69628055, 208884165]

約数ペア:

[(1, 208884165), (3, 69628055), (5, 41776833), (7, 29840595), (15, 13925611), (21, 9946865), (35, 5968119), (97, 2153445), (105, 1989373), (291, 717815), (485, 430689), (679, 307635), (1455, 143563), (2037, 102545), (3395, 61527), (10185, 20509)]