A322377 Numbers n whose divisors can be partitioned into three disjoint sets whose sums are all sigma(n)/3 but no divisor of n has this property.

120, 180, 420, 504, 660, 672, 780, 1584, 1848, 1890, 2184, 2352, 2376, 2772, 2856, 3150, 3192, 4284, 4410, 4896, 5100, 5292, 5796, 6864, 6900, 6930, 7344, 7728, 8190, 8424, 9744, 10296, 10710, 11550, 11970, 12012, 12870, 13464, 13650, 13776, 14490, 14850, 15048, 15444

Offset

1,1

Comments

Primitive terms in A204830. If k is in A204830 then so is k*m.

Links

Table of n, a(n) for n=1..44.

Crossrefs

Cf. A204830.

Sequence in context: A204830 A279088 A337479 * A247851 A179232 A056994

Adjacent sequences: A322374 A322375 A322376 * A322378 A322379 A322380

Keyword

nonn

Author

David A. Corneth, Feb 18 2019

Status

approved