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 A079869 a(1)=1 and for n>1: round(n^(1/Omega(n)))^Omega(n), where Omega(n) is the total number of prime factors of n (A001222). 6
 1, 2, 3, 4, 5, 4, 7, 8, 9, 9, 11, 8, 13, 16, 16, 16, 17, 27, 19, 27, 25, 25, 23, 16, 25, 25, 27, 27, 29, 27, 31, 32, 36, 36, 36, 16, 37, 36, 36, 81, 41, 27, 43, 64, 64, 49, 47, 32, 49, 64, 49, 64, 53, 81, 49, 81, 64, 64, 59, 81, 61, 64, 64, 64, 64, 64, 67, 64, 64, 64, 71, 32, 73 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS A079867(n)<=a(n)<=A079869(n); A020639(n)<=a(n)<=A006530(n); a(m)=m=A079867(m)=A079871(m) iff m is a prime power (A000961). LINKS CROSSREFS a(n)=A079868(n)^A001222(n). Cf. A079872, A068794, A068795. Sequence in context: A273284 A079867 A273290 * A200322 A075054 A158366 Adjacent sequences:  A079866 A079867 A079868 * A079870 A079871 A079872 KEYWORD nonn AUTHOR Reinhard Zumkeller, Jan 13 2003 STATUS approved

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