57240009

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{419}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 85044960

約数和(自身を除く): 27804951

約数列:

[1, 3, 9, 43, 129, 353, 387, 419, 1059, 1257, 3177, 3771, 15179, 18017, 45537, 54051, 136611, 147907, 162153, 443721, 1331163, 6360001, 19080003, 57240009]

約数ペア:

[(1, 57240009), (3, 19080003), (9, 6360001), (43, 1331163), (129, 443721), (353, 162153), (387, 147907), (419, 136611), (1059, 54051), (1257, 45537), (3177, 18017), (3771, 15179)]