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A197309
Divisors of the 9th repunit 111111111.
2
1, 3, 9, 37, 111, 333, 333667, 1001001, 3003003, 12345679, 37037037, 111111111
OFFSET
1,2
COMMENTS
The prime factorization of (10^9 - 1)/9 is 3^2 * 37 * 333667. - Alonso del Arte, Apr 27 2014
MATHEMATICA
Divisors[(10^9 - 1)/9] (* Alonso del Arte, Apr 27 2014 *)
PROG
(PARI) divisors(10^9\9) \\ Charles R Greathouse IV, Jun 21 2017
KEYWORD
nonn,fini,full,easy
AUTHOR
M. F. Hasler, Oct 13 2011
STATUS
approved