A062823 - cp's OEIS frontend

A062823 Numbers k such that the number of divisors of k divides the number of divisors of the totient of k.

n	a(n)
1	1
2	3
3	7
4	11
5	13
6	14
7	15
8	19
9	22
10	23
11	25
12	28
13	29
14	31
15	35
16	39
17	41
18	43
19	44
20	46
21	47
22	50
23	53
24	55
25	56
26	59
27	61
28	62
29	67
30	68
31	70
32	71
33	73
34	77
35	78
36	79
37	82
38	83
39	86
40	87
41	88
42	89
43	91
44	92
45	93
46	94
47	95
48	97
49	99
50	103
51	107
52	109
53	110
54	111
55	112
56	113
57	115
58	117
59	118
60	119
61	122
62	124
63	127
64	129
65	131

[1, 3, 7, 11, 13, 14, 15, 19, 22, 23, 25, 28, 29, 31, 35, 39, 41, 43, 44, 46, 47, 50, 53, 55, 56, 59, 61, 62, 67, 68, 70, 71, 73, 77, 78, 79, 82, 83, 86, 87, 88, 89, 91, 92, 93, 94, 95, 97, 99, 103, 107, 109, 110, 111, 112, 113, 115, 117, 118, 119, 122, 124, 127, 129, 131]

cp's OEIS Frontend

A062823 Numbers k such that the number of divisors of k divides the number of divisors of the totient of k.

Table of values

List of values

n	a(n)
1	1
2	3
3	7
4	11
5	13
6	14
7	15
8	19
9	22
10	23
11	25
12	28
13	29
14	31
15	35
16	39
17	41
18	43
19	44
20	46
21	47
22	50
23	53
24	55
25	56
26	59
27	61
28	62
29	67
30	68
31	70
32	71
33	73
34	77
35	78
36	79
37	82
38	83
39	86
40	87
41	88
42	89
43	91
44	92
45	93
46	94
47	95
48	97
49	99
50	103
51	107
52	109
53	110
54	111
55	112
56	113
57	115
58	117
59	118
60	119
61	122
62	124
63	127
64	129
65	131

n	a(n)
1	1
2	3
3	7
4	11
5	13
6	14
7	15
8	19
9	22
10	23
11	25
12	28
13	29
14	31
15	35
16	39
17	41
18	43
19	44
20	46
21	47
22	50
23	53
24	55
25	56
26	59
27	61
28	62
29	67
30	68
31	70
32	71
33	73
34	77
35	78
36	79
37	82
38	83
39	86
40	87
41	88
42	89
43	91
44	92
45	93
46	94
47	95
48	97
49	99
50	103
51	107
52	109
53	110
54	111
55	112
56	113
57	115
58	117
59	118
60	119
61	122
62	124
63	127
64	129
65	131

n	a(n)
1	1
2	3
3	7
4	11
5	13
6	14
7	15
8	19
9	22
10	23
11	25
12	28
13	29
14	31
15	35
16	39
17	41
18	43
19	44
20	46
21	47
22	50
23	53
24	55
25	56
26	59
27	61
28	62
29	67
30	68
31	70
32	71
33	73
34	77
35	78
36	79
37	82
38	83
39	86
40	87
41	88
42	89
43	91
44	92
45	93
46	94
47	95
48	97
49	99
50	103
51	107
52	109
53	110
54	111
55	112
56	113
57	115
58	117
59	118
60	119
61	122
62	124
63	127
64	129
65	131