A049073 - cp's OEIS frontend

A049073 LCM of all divisors of d of n such that d+1 is a prime power.

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

[1, 2, 3, 4, 1, 6, 7, 8, 3, 10, 1, 12, 1, 14, 15, 16, 1, 18, 1, 20, 21, 22, 1, 24, 1, 26, 3, 28, 1, 30, 31, 16, 3, 2, 7, 36, 1, 2, 3, 40, 1, 42, 1, 44, 15, 46, 1, 48, 7, 10, 3, 52, 1, 18, 1, 56, 3, 58, 1, 60, 1, 62, 63, 16, 1, 66, 1, 4, 3, 70, 1, 72, 1, 2, 15, 4, 7, 78, 1, 80, 3, 82, 1, 84, 1]

cp's OEIS Frontend

A049073 LCM of all divisors of d of n such that d+1 is a prime power.

Table of values

List of values

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

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

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