

A133029


Divisors of 1729, the 2nd taxicab number (also called the HardyRamanujan number).


5




OFFSET

1,2


COMMENTS

Note that 19 * 91 = 1729. For products of nth prime and nth prime written backwards, see A133019.


LINKS

Table of n, a(n) for n=1..8.
Index entries for sequences related to divisors of numbers


EXAMPLE

7 * 247 = 1729 and 13 * 133 = 1729.


MATHEMATICA

Divisors[1729] (* Alonso del Arte, Oct 11 2019 *)


PROG

(PARI) divisors(1729) \\ Charles R Greathouse IV, Jun 21 2017


CROSSREFS

Cf. A000005, A018487. Taxicab numbers: A011541.
Sequence in context: A024954 A070850 A060211 * A243962 A287304 A023984
Adjacent sequences: A133026 A133027 A133028 * A133030 A133031 A133032


KEYWORD

easy,fini,full,nonn


AUTHOR

Omar E. Pol, Oct 23 2007, Nov 07 2007


STATUS

approved



