81713319

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 120737280

約数和(自身を除く): 39023961

約数列:

[1, 3, 19, 23, 57, 69, 157, 397, 437, 471, 1191, 1311, 2983, 3611, 7543, 8949, 9131, 10833, 22629, 27393, 62329, 68609, 173489, 186987, 205827, 520467, 1184251, 1433567, 3552753, 4300701, 27237773, 81713319]

約数ペア:

[(1, 81713319), (3, 27237773), (19, 4300701), (23, 3552753), (57, 1433567), (69, 1184251), (157, 520467), (397, 205827), (437, 186987), (471, 173489), (1191, 68609), (1311, 62329), (2983, 27393), (3611, 22629), (7543, 10833), (8949, 9131)]