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A018345
Divisors of 231.
0
1, 3, 7, 11, 21, 33, 77, 231
OFFSET
1,2
COMMENTS
11 is a term as can be seen with the alternating sum of digits of 231. - Michel Marcus, Nov 22 2017
MATHEMATICA
Divisors[231] (* Alonso del Arte, Nov 21 2017 *)
PROG
(PARI) divisors(231) \\ Charles R Greathouse IV, Jun 22 2017
CROSSREFS
Sequence in context: A151923 A187264 A067498 * A082675 A201645 A028831
KEYWORD
nonn,fini,full,easy
AUTHOR
STATUS
approved