OFFSET
1,2
REFERENCES
David Wells, The Penguin Dictionary of Curious and Interesting Numbers (Rev. ed. 1997), p. 165.
MATHEMATICA
Select[Table[i^3, {i, 500}], DivisorSigma[0, # ] == #^(1/3) &]
CROSSREFS
KEYWORD
nonn,fini,full,bref
AUTHOR
Harvey P. Dale, Jan 11 2002
STATUS
approved