A071927 - cp's OEIS frontend

A071927 Barely abundant numbers: abundant n such that sigma(n)/n < sigma(m)/m for all abundant numbers m sigma(n) being the sum of the divisors of n.

n	a(n)
1	12
2	18
3	20
4	70
5	88
6	104
7	464
8	650
9	1888
10	1952
11	4030
12	5830
13	8925
14	17816
15	26742
16	26778
17	26886
18	26898
19	26958
20	27042
21	27078
22	27102
23	27114
24	27138
25	27282
26	27294
27	27366
28	27402
29	27498
30	27546
31	27582
32	27618
33	27726
34	27822
35	27834
36	27858
37	27894
38	27906

[12, 18, 20, 70, 88, 104, 464, 650, 1888, 1952, 4030, 5830, 8925, 17816, 26742, 26778, 26886, 26898, 26958, 27042, 27078, 27102, 27114, 27138, 27282, 27294, 27366, 27402, 27498, 27546, 27582, 27618, 27726, 27822, 27834, 27858, 27894, 27906]

cp's OEIS Frontend

A071927 Barely abundant numbers: abundant n such that sigma(n)/n < sigma(m)/m for all abundant numbers m sigma(n) being the sum of the divisors of n.

Table of values

List of values