77880009

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2169

約数の個数: 24

約数和(自身を含む): 112926880

約数和(自身を除く): 35046871

約数列:

[1, 3, 17, 43, 51, 129, 289, 731, 867, 2089, 2193, 6267, 12427, 35513, 37281, 89827, 106539, 269481, 603721, 1527059, 1811163, 4581177, 25960003, 77880009]

約数ペア:

[(1, 77880009), (3, 25960003), (17, 4581177), (43, 1811163), (51, 1527059), (129, 603721), (289, 269481), (731, 106539), (867, 89827), (2089, 37281), (2193, 35513), (6267, 12427)]