A number for which the Product of Divisors is equal to . The first few are 1, 6, 8, 10, 14, 15, 21, 22, ... (Sloane's A007422).

**References**

Sloane, N. J. A. Sequence
A007422/M4068
in ``An On-Line Version of the Encyclopedia of Integer Sequences.''
http://www.research.att.com/~njas/sequences/eisonline.html and Sloane, N. J. A. and Plouffe, S.
*The Encyclopedia of Integer Sequences.* San Diego: Academic Press, 1995.

© 1996-9

1999-05-26