A161942 - cp's OEIS frontend

A161942 Odd part of sum of divisors of n.

n	a(n)
1	1
2	3
3	1
4	7
5	3
6	3
7	1
8	15
9	13
10	9
11	3
12	7
13	7
14	3
15	3
16	31
17	9
18	39
19	5
20	21
21	1
22	9
23	3
24	15
25	31
26	21
27	5
28	7
29	15
30	9
31	1
32	63
33	3
34	27
35	3
36	91
37	19
38	15
39	7
40	45
41	21
42	3
43	11
44	21
45	39
46	9
47	3
48	31
49	57
50	93
51	9
52	49
53	27
54	15
55	9
56	15
57	5
58	45
59	15
60	21
61	31
62	3
63	13
64	127
65	21
66	9
67	17
68	63
69	3
70	9
71	9
72	195
73	37
74	57
75	31
76	35
77	3
78	21
79	5
80	93
81	121
82	63

[1, 3, 1, 7, 3, 3, 1, 15, 13, 9, 3, 7, 7, 3, 3, 31, 9, 39, 5, 21, 1, 9, 3, 15, 31, 21, 5, 7, 15, 9, 1, 63, 3, 27, 3, 91, 19, 15, 7, 45, 21, 3, 11, 21, 39, 9, 3, 31, 57, 93, 9, 49, 27, 15, 9, 15, 5, 45, 15, 21, 31, 3, 13, 127, 21, 9, 17, 63, 3, 9, 9, 195, 37, 57, 31, 35, 3, 21, 5, 93, 121, 63]

cp's OEIS Frontend

A161942 Odd part of sum of divisors of n.

Table of values

List of values

n	a(n)
1	1
2	3
3	1
4	7
5	3
6	3
7	1
8	15
9	13
10	9
11	3
12	7
13	7
14	3
15	3
16	31
17	9
18	39
19	5
20	21
21	1
22	9
23	3
24	15
25	31
26	21
27	5
28	7
29	15
30	9
31	1
32	63
33	3
34	27
35	3
36	91
37	19
38	15
39	7
40	45
41	21
42	3
43	11
44	21
45	39
46	9
47	3
48	31
49	57
50	93
51	9
52	49
53	27
54	15
55	9
56	15
57	5
58	45
59	15
60	21
61	31
62	3
63	13
64	127
65	21
66	9
67	17
68	63
69	3
70	9
71	9
72	195
73	37
74	57
75	31
76	35
77	3
78	21
79	5
80	93
81	121
82	63

n	a(n)
1	1
2	3
3	1
4	7
5	3
6	3
7	1
8	15
9	13
10	9
11	3
12	7
13	7
14	3
15	3
16	31
17	9
18	39
19	5
20	21
21	1
22	9
23	3
24	15
25	31
26	21
27	5
28	7
29	15
30	9
31	1
32	63
33	3
34	27
35	3
36	91
37	19
38	15
39	7
40	45
41	21
42	3
43	11
44	21
45	39
46	9
47	3
48	31
49	57
50	93
51	9
52	49
53	27
54	15
55	9
56	15
57	5
58	45
59	15
60	21
61	31
62	3
63	13
64	127
65	21
66	9
67	17
68	63
69	3
70	9
71	9
72	195
73	37
74	57
75	31
76	35
77	3
78	21
79	5
80	93
81	121
82	63

n	a(n)
1	1
2	3
3	1
4	7
5	3
6	3
7	1
8	15
9	13
10	9
11	3
12	7
13	7
14	3
15	3
16	31
17	9
18	39
19	5
20	21
21	1
22	9
23	3
24	15
25	31
26	21
27	5
28	7
29	15
30	9
31	1
32	63
33	3
34	27
35	3
36	91
37	19
38	15
39	7
40	45
41	21
42	3
43	11
44	21
45	39
46	9
47	3
48	31
49	57
50	93
51	9
52	49
53	27
54	15
55	9
56	15
57	5
58	45
59	15
60	21
61	31
62	3
63	13
64	127
65	21
66	9
67	17
68	63
69	3
70	9
71	9
72	195
73	37
74	57
75	31
76	35
77	3
78	21
79	5
80	93
81	121
82	63