A331187 - cp's OEIS frontend

A331187 a(n) is n divided by the highest power of prime(A067004(n)) which divides it, where A067004 is the ordinal transform of number of divisors of n (A000005).

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

[1, 1, 1, 1, 1, 3, 1, 8, 1, 2, 1, 3, 1, 2, 15, 1, 1, 2, 1, 4, 21, 22, 1, 3, 1, 26, 27, 4, 1, 10, 1, 32, 33, 34, 35, 9, 1, 38, 39, 8, 1, 6, 1, 44, 45, 46, 1, 3, 1, 50, 51, 52, 1, 54, 55, 56, 57, 58, 1, 15, 1, 62, 63, 1, 65, 66, 1, 68, 69, 70, 1, 8, 1, 74, 75, 76, 77, 78, 1, 80, 1, 82, 1, 84, 85, 86, 87, 88, 1, 90]

cp's OEIS Frontend

A331187 a(n) is n divided by the highest power of prime(A067004(n)) which divides it, where A067004 is the ordinal transform of number of divisors of n (A000005).

Table of values

List of values

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

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

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