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3=1+1+1
9=4+4+1
27=25+1+1

Prove:
Every power of 3 is a sum of three squares relatively prime to 3.

(No Solution Yet, 1 Comments) Submitted on 2019-01-20 by Ady TZIDON   
Difficulty: 3 of 5 Bonus: An interesting equation (in Just Math) Rating: 3.67
If d(x) is the number of positive divisors of x, and n(x) is the number of distinct prime factors of x, show that d(A)=Σ(2^n(A/i)) for all positive i such that A/i is an integer.
(Solution Posted, 2 Comments) Submitted on 2007-08-05 by Praneeth   
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