248389743

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2167

約数の個数: 32

約数和(自身を含む): 388864000

約数和(自身を除く): 140474257

約数列:

[1, 3, 7, 21, 61, 97, 183, 291, 427, 679, 1281, 1999, 2037, 5917, 5997, 13993, 17751, 41419, 41979, 121939, 124257, 193903, 365817, 581709, 853573, 1357321, 2560719, 4071963, 11828083, 35484249, 82796581, 248389743]

約数ペア:

[(1, 248389743), (3, 82796581), (7, 35484249), (21, 11828083), (61, 4071963), (97, 2560719), (183, 1357321), (291, 853573), (427, 581709), (679, 365817), (1281, 193903), (1999, 124257), (2037, 121939), (5917, 41979), (5997, 41419), (13993, 17751)]