8187309

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 13977600

約数和(自身を除く): 5790291

約数列:

[1, 3, 9, 13, 19, 29, 39, 57, 87, 117, 127, 171, 247, 261, 377, 381, 551, 741, 1131, 1143, 1651, 1653, 2223, 2413, 3393, 3683, 4953, 4959, 7163, 7239, 11049, 14859, 21489, 21717, 31369, 33147, 47879, 64467, 69977, 94107, 143637, 209931, 282321, 430911, 629793, 909701, 2729103, 8187309]

約数ペア:

[(1, 8187309), (3, 2729103), (9, 909701), (13, 629793), (19, 430911), (29, 282321), (39, 209931), (57, 143637), (87, 94107), (117, 69977), (127, 64467), (171, 47879), (247, 33147), (261, 31369), (377, 21717), (381, 21489), (551, 14859), (741, 11049), (1131, 7239), (1143, 7163), (1651, 4959), (1653, 4953), (2223, 3683), (2413, 3393)]