189917703

素因数分解:

$3^4\times {\mathrm{709}}^1\times {\mathrm{3307}}^1$

素因数の和:4028

約数の個数: 20

約数和(自身を含む): 284190280

約数和(自身を除く): 94272577

約数列:

[1, 3, 9, 27, 81, 709, 2127, 3307, 6381, 9921, 19143, 29763, 57429, 89289, 267867, 2344663, 7033989, 21101967, 63305901, 189917703]

約数ペア:

[(1, 189917703), (3, 63305901), (9, 21101967), (27, 7033989), (81, 2344663), (709, 267867), (2127, 89289), (3307, 57429), (6381, 29763), (9921, 19143)]