@Peter, i solved this, i think, i checked and it seems there are no errors:
https://math.stackexchange.com/questions/1309427/can-a-number-be-equal-to-the-sum-of-the-squares-of-its-prime-divisors
https://math.stackexchange.com/questions/1309427/can-a-number-be-equal-to-the-sum-of-the-squares-of-its-prime-divisors