8478009

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 13201760

約数和(自身を除く): 4723751

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 1153, 2451, 3459, 7353, 10377, 21907, 49579, 65721, 148737, 197163, 446211, 942001, 2826003, 8478009]

約数ペア:

[(1, 8478009), (3, 2826003), (9, 942001), (19, 446211), (43, 197163), (57, 148737), (129, 65721), (171, 49579), (387, 21907), (817, 10377), (1153, 7353), (2451, 3459)]