205121727

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{87323}}^1$

素因数の和:87364

約数の個数: 20

約数和(自身を含む): 316986120

約数和(自身を除く): 111864393

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 87323, 261969, 785907, 2357721, 2532367, 7073163, 7597101, 22791303, 68373909, 205121727]

約数ペア:

[(1, 205121727), (3, 68373909), (9, 22791303), (27, 7597101), (29, 7073163), (81, 2532367), (87, 2357721), (261, 785907), (783, 261969), (2349, 87323)]