A161946 - cp's OEIS frontend

A161946 Odd part of sum of unitary divisors of n.

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

[1, 3, 1, 5, 3, 3, 1, 9, 5, 9, 3, 5, 7, 3, 3, 17, 9, 15, 5, 15, 1, 9, 3, 9, 13, 21, 7, 5, 15, 9, 1, 33, 3, 27, 3, 25, 19, 15, 7, 27, 21, 3, 11, 15, 15, 9, 3, 17, 25, 39, 9, 35, 27, 21, 9, 9, 5, 45, 15, 15, 31, 3, 5, 65, 21, 9, 17, 45, 3, 9, 9, 45, 37, 57, 13, 25, 3, 21, 5, 51, 41, 63, 21, 5, 27]

cp's OEIS Frontend

A161946 Odd part of sum of unitary divisors of n.

Table of values

List of values

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

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

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