In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.
Q: [-63.487, -60.807, 9.1, 10.742, 4.928, -55.458, 165.777]
A: 
[-5.881 -5.633  0.843  0.995  0.457 -5.137 15.357]