2639727

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 4118400

約数和(自身を除く): 1478673

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 359, 387, 817, 1077, 2451, 3231, 6821, 7353, 15437, 20463, 46311, 61389, 138933, 293303, 879909, 2639727]

約数ペア:

[(1, 2639727), (3, 879909), (9, 293303), (19, 138933), (43, 61389), (57, 46311), (129, 20463), (171, 15437), (359, 7353), (387, 6821), (817, 3231), (1077, 2451)]