A121443 - cp's OEIS frontend

A121443 Sum of divisors d of n which are odd and n/d is not divisible by 3.

n	a(n)
1	1
2	1
3	3
4	1
5	6
6	3
7	8
8	1
9	9
10	6
11	12
12	3
13	14
14	8
15	18
16	1
17	18
18	9
19	20
20	6
21	24
22	12
23	24
24	3
25	31
26	14
27	27
28	8
29	30
30	18
31	32
32	1
33	36
34	18
35	48
36	9
37	38
38	20
39	42
40	6
41	42
42	24
43	44
44	12
45	54
46	24
47	48
48	3
49	57
50	31
51	54
52	14
53	54
54	27
55	72
56	8
57	60
58	30
59	60
60	18
61	62
62	32
63	72
64	1
65	84
66	36
67	68
68	18
69	72
70	48
71	72
72	9
73	74
74	38
75	93
76	20
77	96
78	42

[1, 1, 3, 1, 6, 3, 8, 1, 9, 6, 12, 3, 14, 8, 18, 1, 18, 9, 20, 6, 24, 12, 24, 3, 31, 14, 27, 8, 30, 18, 32, 1, 36, 18, 48, 9, 38, 20, 42, 6, 42, 24, 44, 12, 54, 24, 48, 3, 57, 31, 54, 14, 54, 27, 72, 8, 60, 30, 60, 18, 62, 32, 72, 1, 84, 36, 68, 18, 72, 48, 72, 9, 74, 38, 93, 20, 96, 42]

cp's OEIS Frontend

A121443 Sum of divisors d of n which are odd and n/d is not divisible by 3.

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	1
5	6
6	3
7	8
8	1
9	9
10	6
11	12
12	3
13	14
14	8
15	18
16	1
17	18
18	9
19	20
20	6
21	24
22	12
23	24
24	3
25	31
26	14
27	27
28	8
29	30
30	18
31	32
32	1
33	36
34	18
35	48
36	9
37	38
38	20
39	42
40	6
41	42
42	24
43	44
44	12
45	54
46	24
47	48
48	3
49	57
50	31
51	54
52	14
53	54
54	27
55	72
56	8
57	60
58	30
59	60
60	18
61	62
62	32
63	72
64	1
65	84
66	36
67	68
68	18
69	72
70	48
71	72
72	9
73	74
74	38
75	93
76	20
77	96
78	42

n	a(n)
1	1
2	1
3	3
4	1
5	6
6	3
7	8
8	1
9	9
10	6
11	12
12	3
13	14
14	8
15	18
16	1
17	18
18	9
19	20
20	6
21	24
22	12
23	24
24	3
25	31
26	14
27	27
28	8
29	30
30	18
31	32
32	1
33	36
34	18
35	48
36	9
37	38
38	20
39	42
40	6
41	42
42	24
43	44
44	12
45	54
46	24
47	48
48	3
49	57
50	31
51	54
52	14
53	54
54	27
55	72
56	8
57	60
58	30
59	60
60	18
61	62
62	32
63	72
64	1
65	84
66	36
67	68
68	18
69	72
70	48
71	72
72	9
73	74
74	38
75	93
76	20
77	96
78	42

n	a(n)
1	1
2	1
3	3
4	1
5	6
6	3
7	8
8	1
9	9
10	6
11	12
12	3
13	14
14	8
15	18
16	1
17	18
18	9
19	20
20	6
21	24
22	12
23	24
24	3
25	31
26	14
27	27
28	8
29	30
30	18
31	32
32	1
33	36
34	18
35	48
36	9
37	38
38	20
39	42
40	6
41	42
42	24
43	44
44	12
45	54
46	24
47	48
48	3
49	57
50	31
51	54
52	14
53	54
54	27
55	72
56	8
57	60
58	30
59	60
60	18
61	62
62	32
63	72
64	1
65	84
66	36
67	68
68	18
69	72
70	48
71	72
72	9
73	74
74	38
75	93
76	20
77	96
78	42