2643147

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 48

約数和(自身を含む): 4586400

約数和(自身を除く): 1943253

約数列:

[1, 3, 9, 13, 19, 29, 39, 41, 57, 87, 117, 123, 171, 247, 261, 369, 377, 533, 551, 741, 779, 1131, 1189, 1599, 1653, 2223, 2337, 3393, 3567, 4797, 4959, 7011, 7163, 10127, 10701, 15457, 21489, 22591, 30381, 46371, 64467, 67773, 91143, 139113, 203319, 293683, 881049, 2643147]

約数ペア:

[(1, 2643147), (3, 881049), (9, 293683), (13, 203319), (19, 139113), (29, 91143), (39, 67773), (41, 64467), (57, 46371), (87, 30381), (117, 22591), (123, 21489), (171, 15457), (247, 10701), (261, 10127), (369, 7163), (377, 7011), (533, 4959), (551, 4797), (741, 3567), (779, 3393), (1131, 2337), (1189, 2223), (1599, 1653)]