26666901

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{821}}^1$

素因数の和:1234

約数の個数: 20

約数和(自身を含む): 39983724

約数和(自身を除く): 13316823

約数列:

[1, 3, 9, 27, 81, 401, 821, 1203, 2463, 3609, 7389, 10827, 22167, 32481, 66501, 329221, 987663, 2962989, 8888967, 26666901]

約数ペア:

[(1, 26666901), (3, 8888967), (9, 2962989), (27, 987663), (81, 329221), (401, 66501), (821, 32481), (1203, 22167), (2463, 10827), (3609, 7389)]