81977319

素因数分解:

$3^3\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 124232640

約数和(自身を除く): 42255321

約数列:

[1, 3, 9, 27, 97, 113, 277, 291, 339, 831, 873, 1017, 2493, 2619, 3051, 7479, 10961, 26869, 31301, 32883, 80607, 93903, 98649, 241821, 281709, 295947, 725463, 845127, 3036197, 9108591, 27325773, 81977319]

約数ペア:

[(1, 81977319), (3, 27325773), (9, 9108591), (27, 3036197), (97, 845127), (113, 725463), (277, 295947), (291, 281709), (339, 241821), (831, 98649), (873, 93903), (1017, 80607), (2493, 32883), (2619, 31301), (3051, 26869), (7479, 10961)]