815713778889

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{12791}}^1\times {\mathrm{244339}}^1$

素因数の和:257165

約数の個数: 24

約数和(自身を含む): 1218982939200

約数和(自身を除く): 403269160311

約数列:

[1, 3, 9, 29, 87, 261, 12791, 38373, 115119, 244339, 370939, 733017, 1112817, 2199051, 3338451, 7085831, 21257493, 63772479, 3125340149, 9376020447, 28128061341, 90634864321, 271904592963, 815713778889]

約数ペア:

[(1, 815713778889), (3, 271904592963), (9, 90634864321), (29, 28128061341), (87, 9376020447), (261, 3125340149), (12791, 63772479), (38373, 21257493), (115119, 7085831), (244339, 3338451), (370939, 2199051), (733017, 1112817)]