762750domain: NAppears in sequencesa(n) = n^5 + n^3.at n=15A155977n^(p1) + n^(p2) + n^(p3) + ... where (p1)*(p2)*(p3)*.... is the prime factorization of n (with multiplicity).at n=14A239283a(n) = Sum_{p|n, p prime} n^p.at n=14A351365a(n) = Sum_{p|n, p prime} n^sopf(n/p).at n=14A369913