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A197318
Divisors of the repunit 111111111111 = A002275(12).
1
1, 3, 7, 11, 13, 21, 33, 37, 39, 77, 91, 101, 111, 143, 231, 259, 273, 303, 407, 429, 481, 707, 777, 1001, 1111, 1221, 1313, 1443, 2121, 2849, 3003, 3333, 3367, 3737, 3939, 5291, 7777, 8547, 9191, 9901, 10101, 11211, 14443, 15873, 23331, 26159, 27573, 29703
OFFSET
1,2
COMMENTS
The sequence is marked "full" since even though they don't fit into the three lines above, all 128 terms are known and available in the b-file or using the given PARI code.
MATHEMATICA
Divisors[111111111111] (* Paolo Xausa, Jul 04 2024 *)
PROG
(PARI) divisors(1e12\9)
KEYWORD
nonn,fini,full
AUTHOR
M. F. Hasler, Oct 13 2011
STATUS
approved