81180813

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 126976000

約数和(自身を除く): 45795187

約数列:

[1, 3, 7, 21, 61, 127, 183, 381, 427, 499, 889, 1281, 1497, 2667, 3493, 7747, 10479, 23241, 30439, 54229, 63373, 91317, 162687, 190119, 213073, 443611, 639219, 1330833, 3865753, 11597259, 27060271, 81180813]

約数ペア:

[(1, 81180813), (3, 27060271), (7, 11597259), (21, 3865753), (61, 1330833), (127, 639219), (183, 443611), (381, 213073), (427, 190119), (499, 162687), (889, 91317), (1281, 63373), (1497, 54229), (2667, 30439), (3493, 23241), (7747, 10479)]