199962861

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{479}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 309903360

約数和(自身を除く): 109940499

約数列:

[1, 3, 7, 21, 103, 193, 309, 479, 579, 721, 1351, 1437, 2163, 3353, 4053, 10059, 19879, 49337, 59637, 92447, 139153, 148011, 277341, 345359, 417459, 647129, 1036077, 1941387, 9522041, 28566123, 66654287, 199962861]

約数ペア:

[(1, 199962861), (3, 66654287), (7, 28566123), (21, 9522041), (103, 1941387), (193, 1036077), (309, 647129), (479, 417459), (579, 345359), (721, 277341), (1351, 148011), (1437, 139153), (2163, 92447), (3353, 59637), (4053, 49337), (10059, 19879)]