2810781

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 4324320

約数和(自身を除く): 1513539

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 269, 387, 807, 1161, 2421, 3483, 7263, 10449, 11567, 21789, 34701, 65367, 104103, 312309, 936927, 2810781]

約数ペア:

[(1, 2810781), (3, 936927), (9, 312309), (27, 104103), (43, 65367), (81, 34701), (129, 21789), (243, 11567), (269, 10449), (387, 7263), (807, 3483), (1161, 2421)]