68688315

素因数分解:

$3^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1531}}^1$

素因数の和:2539

約数の個数: 24

約数和(自身を含む): 119257008

約数和(自身を除く): 50568693

約数列:

[1, 3, 5, 9, 15, 45, 997, 1531, 2991, 4593, 4985, 7655, 8973, 13779, 14955, 22965, 44865, 68895, 1526407, 4579221, 7632035, 13737663, 22896105, 68688315]

約数ペア:

[(1, 68688315), (3, 22896105), (5, 13737663), (9, 7632035), (15, 4579221), (45, 1526407), (997, 68895), (1531, 44865), (2991, 22965), (4593, 14955), (4985, 13779), (7655, 8973)]