2544993

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 48

約数和(自身を含む): 4468800

約数和(自身を除く): 1923807

約数列:

[1, 3, 9, 11, 19, 27, 33, 41, 57, 99, 121, 123, 171, 209, 297, 363, 369, 451, 513, 627, 779, 1089, 1107, 1353, 1881, 2299, 2337, 3267, 4059, 4961, 5643, 6897, 7011, 8569, 12177, 14883, 20691, 21033, 25707, 44649, 62073, 77121, 94259, 133947, 231363, 282777, 848331, 2544993]

約数ペア:

[(1, 2544993), (3, 848331), (9, 282777), (11, 231363), (19, 133947), (27, 94259), (33, 77121), (41, 62073), (57, 44649), (99, 25707), (121, 21033), (123, 20691), (171, 14883), (209, 12177), (297, 8569), (363, 7011), (369, 6897), (451, 5643), (513, 4961), (627, 4059), (779, 3267), (1089, 2337), (1107, 2299), (1353, 1881)]