7939287

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{137}}^2$

素因数の和:327

約数の個数: 18

約数和(自身を含む): 11797968

約数和(自身を除く): 3858681

約数列:

[1, 3, 9, 47, 137, 141, 411, 423, 1233, 6439, 18769, 19317, 56307, 57951, 168921, 882143, 2646429, 7939287]

約数ペア:

[(1, 7939287), (3, 2646429), (9, 882143), (47, 168921), (137, 57951), (141, 56307), (411, 19317), (423, 18769), (1233, 6439)]