A329189 - cp's OEIS frontend

A329189 3-admirable numbers: 3-abundant numbers (A068403) k such that exists a proper divisor d of k such that sigma(k) - 2d = 3k, where sigma(k) is the sum of divisors of k (A000203).

n	a(n)
1	180
2	240
3	360
4	420
5	504
6	540
7	600
8	780
9	1080
10	1344
11	1872
12	1890
13	2016
14	2184
15	2352
16	2376
17	2688
18	3192
19	3276
20	3744
21	4284
22	4320
23	4680
24	5292
25	5376
26	5796
27	6048
28	6552
29	7128
30	7344
31	7440
32	8190
33	9504
34	10296
35	10416
36	13776
37	14850
38	18600
39	19824
40	19872
41	20496
42	21528
43	22932

[180, 240, 360, 420, 504, 540, 600, 780, 1080, 1344, 1872, 1890, 2016, 2184, 2352, 2376, 2688, 3192, 3276, 3744, 4284, 4320, 4680, 5292, 5376, 5796, 6048, 6552, 7128, 7344, 7440, 8190, 9504, 10296, 10416, 13776, 14850, 18600, 19824, 19872, 20496, 21528, 22932]

cp's OEIS Frontend

A329189 3-admirable numbers: 3-abundant numbers (A068403) k such that exists a proper divisor d of k such that sigma(k) - 2d = 3k, where sigma(k) is the sum of divisors of k (A000203).

Table of values

List of values

cp's OEIS Frontend

A329189 3-admirable numbers: 3-abundant numbers (A068403) k such that exists a proper divisor d of k such that sigma(k) - 2*d = 3*k, where sigma(k) is the sum of divisors of k (A000203).

Table of values

List of values

A329189 3-admirable numbers: 3-abundant numbers (A068403) k such that exists a proper divisor d of k such that sigma(k) - 2d = 3k, where sigma(k) is the sum of divisors of k (A000203).