Numbers n whose divisors (apart from 1 and n) sum to a prime.
4, 6, 9, 10, 22, 25, 30, 34, 42, 49, 58, 60, 70, 78, 82, 84, 102, 118, 120, 121, 138, 142
3 seqfan posts
Tue Aug 24 03:37:54 CEST 2010 [seqfan] Re: A180268
Mon Aug 23 23:11:02 CEST 2010 [seqfan] Re: A180268
Mon Aug 23 22:23:04 CEST 2010 [seqfan] Re: A180268
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
Links to OEIS content are included according to
The OEIS End-User License Agreement
.