A295311 - cp's OEIS frontend

A295311 a(n) = n / A295310(n) = n / gcd(n, phi(sigma(n))).

n	a(n)
1	1
2	1
3	3
4	2
5	5
6	3
7	7
8	1
9	3
10	5
11	11
12	1
13	13
14	7
15	15
16	8
17	17
18	3
19	19
20	5
21	21
22	11
23	23
24	3
25	5
26	13
27	27
28	7
29	29
30	5
31	31
32	8
33	33
34	17
35	35
36	1
37	37
38	19
39	13
40	5
41	41
42	21
43	43
44	11
45	15
46	23
47	47
48	4
49	49
50	5
51	17
52	26
53	53
54	27
55	55
56	7
57	57
58	29
59	59
60	5
61	61
62	31
63	21
64	32
65	65
66	11
67	67
68	17
69	69
70	35
71	71
72	3
73	73
74	37
75	5
76	19
77	77
78	13
79	79
80	4
81	81
82	41
83	83
84	7
85	85
86	43
87	87
88	11
89	89
90	5

[1, 1, 3, 2, 5, 3, 7, 1, 3, 5, 11, 1, 13, 7, 15, 8, 17, 3, 19, 5, 21, 11, 23, 3, 5, 13, 27, 7, 29, 5, 31, 8, 33, 17, 35, 1, 37, 19, 13, 5, 41, 21, 43, 11, 15, 23, 47, 4, 49, 5, 17, 26, 53, 27, 55, 7, 57, 29, 59, 5, 61, 31, 21, 32, 65, 11, 67, 17, 69, 35, 71, 3, 73, 37, 5, 19, 77, 13, 79, 4, 81, 41, 83, 7, 85, 43, 87, 11, 89, 5]

cp's OEIS Frontend

A295311 a(n) = n / A295310(n) = n / gcd(n, phi(sigma(n))).

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	2
5	5
6	3
7	7
8	1
9	3
10	5
11	11
12	1
13	13
14	7
15	15
16	8
17	17
18	3
19	19
20	5
21	21
22	11
23	23
24	3
25	5
26	13
27	27
28	7
29	29
30	5
31	31
32	8
33	33
34	17
35	35
36	1
37	37
38	19
39	13
40	5
41	41
42	21
43	43
44	11
45	15
46	23
47	47
48	4
49	49
50	5
51	17
52	26
53	53
54	27
55	55
56	7
57	57
58	29
59	59
60	5
61	61
62	31
63	21
64	32
65	65
66	11
67	67
68	17
69	69
70	35
71	71
72	3
73	73
74	37
75	5
76	19
77	77
78	13
79	79
80	4
81	81
82	41
83	83
84	7
85	85
86	43
87	87
88	11
89	89
90	5

n	a(n)
1	1
2	1
3	3
4	2
5	5
6	3
7	7
8	1
9	3
10	5
11	11
12	1
13	13
14	7
15	15
16	8
17	17
18	3
19	19
20	5
21	21
22	11
23	23
24	3
25	5
26	13
27	27
28	7
29	29
30	5
31	31
32	8
33	33
34	17
35	35
36	1
37	37
38	19
39	13
40	5
41	41
42	21
43	43
44	11
45	15
46	23
47	47
48	4
49	49
50	5
51	17
52	26
53	53
54	27
55	55
56	7
57	57
58	29
59	59
60	5
61	61
62	31
63	21
64	32
65	65
66	11
67	67
68	17
69	69
70	35
71	71
72	3
73	73
74	37
75	5
76	19
77	77
78	13
79	79
80	4
81	81
82	41
83	83
84	7
85	85
86	43
87	87
88	11
89	89
90	5

n	a(n)
1	1
2	1
3	3
4	2
5	5
6	3
7	7
8	1
9	3
10	5
11	11
12	1
13	13
14	7
15	15
16	8
17	17
18	3
19	19
20	5
21	21
22	11
23	23
24	3
25	5
26	13
27	27
28	7
29	29
30	5
31	31
32	8
33	33
34	17
35	35
36	1
37	37
38	19
39	13
40	5
41	41
42	21
43	43
44	11
45	15
46	23
47	47
48	4
49	49
50	5
51	17
52	26
53	53
54	27
55	55
56	7
57	57
58	29
59	59
60	5
61	61
62	31
63	21
64	32
65	65
66	11
67	67
68	17
69	69
70	35
71	71
72	3
73	73
74	37
75	5
76	19
77	77
78	13
79	79
80	4
81	81
82	41
83	83
84	7
85	85
86	43
87	87
88	11
89	89
90	5