# define n3000yzh ();
void main()
{
/* int a； scanf("%d "，& ampa)； printf("%d "，Yzh(a))； */
int a，b，I，j；
for(I = 2； I & ltn；; i++)
{
a = Yzh(I)；
for(j = 2； j & ltn； j++)
{
b = Yzh(j)；
if(a = = j & amp； & ampb = = i & amp& amp & ltJ) // It should be less than, because the smaller number comes first.
printf("(%d，%d)"，I，j)；
}
}
}
int Yzh(int x)
{
int n，sum = 0；
for(n = 1； n & lt= x/2； n++)
{
if(x%n==0)
sum+= n；
}
Returns the sum; //Because you want to use the sum of factors in the main function, you must return the value of the calling function to the main function.
}
This is your code that I modified, and the output meets your requirements, but the intimacy number within 3000 seems to be only 3 pairs.