128640963

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1031}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 198144000

約数和(自身を除く): 69503037

約数列:

[1, 3, 11, 19, 33, 57, 199, 209, 597, 627, 1031, 2189, 3093, 3781, 6567, 11341, 11343, 19589, 34023, 41591, 58767, 124773, 205169, 215479, 615507, 646437, 2256859, 3898211, 6770577, 11694633, 42880321, 128640963]

約数ペア:

[(1, 128640963), (3, 42880321), (11, 11694633), (19, 6770577), (33, 3898211), (57, 2256859), (199, 646437), (209, 615507), (597, 215479), (627, 205169), (1031, 124773), (2189, 58767), (3093, 41591), (3781, 34023), (6567, 19589), (11341, 11343)]