27089993

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{1913}}^1$

素因数の和:1961

約数の個数: 18

約数和(自身を含む): 33493086

約数和(自身を除く): 6403093

約数列:

[1, 7, 17, 49, 119, 289, 833, 1913, 2023, 13391, 14161, 32521, 93737, 227647, 552857, 1593529, 3869999, 27089993]

約数ペア:

[(1, 27089993), (7, 3869999), (17, 1593529), (49, 552857), (119, 227647), (289, 93737), (833, 32521), (1913, 14161), (2023, 13391)]