2678427

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:824

約数の個数: 20

約数和(自身を含む): 4099480

約数和(自身を除く): 1421053

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 769, 1161, 2307, 3483, 6921, 20763, 33067, 62289, 99201, 297603, 892809, 2678427]

約数ペア:

[(1, 2678427), (3, 892809), (9, 297603), (27, 99201), (43, 62289), (81, 33067), (129, 20763), (387, 6921), (769, 3483), (1161, 2307)]