c++ language

Question 3: (4 Pts.) Write a C++ program that will takes a positive integer from the user and displays all the factors of that number. Question 4: (4 Pts.) Write a program that calculates and prints the product of the odd integers from 0 to 15. Use while loop. Question 5: (5 Pts.) Write a program that will ask the user to enter three characters then print out if the characters are entered in ascending order or not (meaning if entered from smallest ASCII to largest ASCI or not)