2866509

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:878

約数の個数: 20

約数和(自身を含む): 4386976

約数和(自身を除く): 1520467

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 823, 1161, 2469, 3483, 7407, 22221, 35389, 66663, 106167, 318501, 955503, 2866509]

約数ペア:

[(1, 2866509), (3, 955503), (9, 318501), (27, 106167), (43, 66663), (81, 35389), (129, 22221), (387, 7407), (823, 3483), (1161, 2469)]