81641727

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3041}}^1$

素因数の和:3223

約数の個数: 24

約数和(自身を含む): 124965360

約数和(自身を除く): 43323633

約数列:

[1, 3, 9, 19, 57, 157, 171, 471, 1413, 2983, 3041, 8949, 9123, 26847, 27369, 57779, 173337, 477437, 520011, 1432311, 4296933, 9071303, 27213909, 81641727]

約数ペア:

[(1, 81641727), (3, 27213909), (9, 9071303), (19, 4296933), (57, 1432311), (157, 520011), (171, 477437), (471, 173337), (1413, 57779), (2983, 27369), (3041, 26847), (8949, 9123)]