27778810857

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1381}}^1\times {\mathrm{6101}}^1$

素因数の和:7649

約数の個数: 32

約数和(自身を含む): 42637065984

約数和(自身を除く): 14858255127

約数列:

[1, 3, 7, 21, 157, 471, 1099, 1381, 3297, 4143, 6101, 9667, 18303, 29001, 42707, 128121, 216817, 650451, 957857, 1517719, 2873571, 4553157, 6704999, 8425481, 20114997, 25276443, 58978367, 176935101, 1322800517, 3968401551, 9259603619, 27778810857]

約数ペア:

[(1, 27778810857), (3, 9259603619), (7, 3968401551), (21, 1322800517), (157, 176935101), (471, 58978367), (1099, 25276443), (1381, 20114997), (3297, 8425481), (4143, 6704999), (6101, 4553157), (9667, 2873571), (18303, 1517719), (29001, 957857), (42707, 650451), (128121, 216817)]