2165205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1213}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 4195584

約数和(自身を除く): 2030379

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1213, 1785, 3639, 6065, 8491, 18195, 20621, 25473, 42455, 61863, 103105, 127365, 144347, 309315, 433041, 721735, 2165205]

約数ペア:

[(1, 2165205), (3, 721735), (5, 433041), (7, 309315), (15, 144347), (17, 127365), (21, 103105), (35, 61863), (51, 42455), (85, 25473), (105, 20621), (119, 18195), (255, 8491), (357, 6065), (595, 3639), (1213, 1785)]