A177891 - cp's OEIS frontend

A177891 Numbers n such that sum of proper (or aliquot) divisors of n is a semiprime.

n	a(n)
1	6
2	9
3	14
4	15
5	16
6	18
7	20
8	22
9	25
10	33
11	36
12	38
13	45
14	46
15	51
16	52
17	62
18	68
19	70
20	72
21	75
22	80
23	86
24	87
25	91
26	93
27	95
28	99
29	104
30	105
31	110
32	116
33	117
34	118
35	119
36	130
37	136
38	141
39	142
40	143
41	144
42	145
43	148
44	154
45	158
46	159
47	160
48	162
49	165
50	166
51	169
52	183
53	195
54	196
55	200

[6, 9, 14, 15, 16, 18, 20, 22, 25, 33, 36, 38, 45, 46, 51, 52, 62, 68, 70, 72, 75, 80, 86, 87, 91, 93, 95, 99, 104, 105, 110, 116, 117, 118, 119, 130, 136, 141, 142, 143, 144, 145, 148, 154, 158, 159, 160, 162, 165, 166, 169, 183, 195, 196, 200]

cp's OEIS Frontend

A177891 Numbers n such that sum of proper (or aliquot) divisors of n is a semiprime.

Table of values

List of values

n	a(n)
1	6
2	9
3	14
4	15
5	16
6	18
7	20
8	22
9	25
10	33
11	36
12	38
13	45
14	46
15	51
16	52
17	62
18	68
19	70
20	72
21	75
22	80
23	86
24	87
25	91
26	93
27	95
28	99
29	104
30	105
31	110
32	116
33	117
34	118
35	119
36	130
37	136
38	141
39	142
40	143
41	144
42	145
43	148
44	154
45	158
46	159
47	160
48	162
49	165
50	166
51	169
52	183
53	195
54	196
55	200

n	a(n)
1	6
2	9
3	14
4	15
5	16
6	18
7	20
8	22
9	25
10	33
11	36
12	38
13	45
14	46
15	51
16	52
17	62
18	68
19	70
20	72
21	75
22	80
23	86
24	87
25	91
26	93
27	95
28	99
29	104
30	105
31	110
32	116
33	117
34	118
35	119
36	130
37	136
38	141
39	142
40	143
41	144
42	145
43	148
44	154
45	158
46	159
47	160
48	162
49	165
50	166
51	169
52	183
53	195
54	196
55	200

n	a(n)
1	6
2	9
3	14
4	15
5	16
6	18
7	20
8	22
9	25
10	33
11	36
12	38
13	45
14	46
15	51
16	52
17	62
18	68
19	70
20	72
21	75
22	80
23	86
24	87
25	91
26	93
27	95
28	99
29	104
30	105
31	110
32	116
33	117
34	118
35	119
36	130
37	136
38	141
39	142
40	143
41	144
42	145
43	148
44	154
45	158
46	159
47	160
48	162
49	165
50	166
51	169
52	183
53	195
54	196
55	200