817996797

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1999}}^1\times {\mathrm{2393}}^1$

素因数の和:4417

約数の個数: 24

約数和(自身を含む): 1244880000

約数和(自身を除く): 426883203

約数列:

[1, 3, 9, 19, 57, 171, 1999, 2393, 5997, 7179, 17991, 21537, 37981, 45467, 113943, 136401, 341829, 409203, 4783607, 14350821, 43052463, 90888533, 272665599, 817996797]

約数ペア:

[(1, 817996797), (3, 272665599), (9, 90888533), (19, 43052463), (57, 14350821), (171, 4783607), (1999, 409203), (2393, 341829), (5997, 136401), (7179, 113943), (17991, 45467), (21537, 37981)]