81882879

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 121465344

約数和(自身を除く): 39582465

約数列:

[1, 3, 13, 39, 43, 129, 157, 311, 471, 559, 933, 1677, 2041, 4043, 6123, 6751, 12129, 13373, 20253, 40119, 48827, 87763, 146481, 173849, 263289, 521547, 634751, 1904253, 2099561, 6298683, 27294293, 81882879]

約数ペア:

[(1, 81882879), (3, 27294293), (13, 6298683), (39, 2099561), (43, 1904253), (129, 634751), (157, 521547), (311, 263289), (471, 173849), (559, 146481), (933, 87763), (1677, 48827), (2041, 40119), (4043, 20253), (6123, 13373), (6751, 12129)]