2021809727

素因数分解:

$7^3\times {\mathrm{347}}^1\times {\mathrm{16987}}^1$

素因数の和:17355

約数の個数: 16

約数和(自身を含む): 2364729600

約数和(自身を除く): 342919873

約数列:

[1, 7, 49, 343, 347, 2429, 16987, 17003, 118909, 119021, 832363, 5826541, 5894489, 41261423, 288829961, 2021809727]

約数ペア:

[(1, 2021809727), (7, 288829961), (49, 41261423), (343, 5894489), (347, 5826541), (2429, 832363), (16987, 119021), (17003, 118909)]