A332880 - cp's OEIS frontend

A332880 If n = Product (p_j^k_j) then a(n) = numerator of Product (1 + 1/p_j).

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

[1, 3, 4, 3, 6, 2, 8, 3, 4, 9, 12, 2, 14, 12, 8, 3, 18, 2, 20, 9, 32, 18, 24, 2, 6, 21, 4, 12, 30, 12, 32, 3, 16, 27, 48, 2, 38, 30, 56, 9, 42, 16, 44, 18, 8, 36, 48, 2, 8, 9, 24, 21, 54, 2, 72, 12, 80, 45, 60, 12, 62, 48, 32, 3, 84, 24, 68, 27, 32, 72]

cp's OEIS Frontend

A332880 If n = Product (p_j^k_j) then a(n) = numerator of Product (1 + 1/p_j).

Table of values

List of values

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

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

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