A355928 - cp's OEIS frontend

A355928 Squarefree part of the sum of divisors of n.

n	a(n)
1	1
2	3
3	1
4	7
5	6
6	3
7	2
8	15
9	13
10	2
11	3
12	7
13	14
14	6
15	6
16	31
17	2
18	39
19	5
20	42
21	2
22	1
23	6
24	15
25	31
26	42
27	10
28	14
29	30
30	2
31	2
32	7
33	3
34	6
35	3
36	91
37	38
38	15
39	14
40	10
41	42
42	6
43	11
44	21
45	78
46	2
47	3
48	31
49	57
50	93
51	2
52	2
53	6
54	30
55	2
56	30
57	5
58	10
59	15
60	42
61	62
62	6
63	26
64	127
65	21
66	1
67	17
68	14
69	6
70	1
71	2
72	195
73	74
74	114
75	31
76	35
77	6
78	42
79	5
80	186
81	1
82	14
83	21
84	14
85	3
86	33
87	30
88	5
89	10

[1, 3, 1, 7, 6, 3, 2, 15, 13, 2, 3, 7, 14, 6, 6, 31, 2, 39, 5, 42, 2, 1, 6, 15, 31, 42, 10, 14, 30, 2, 2, 7, 3, 6, 3, 91, 38, 15, 14, 10, 42, 6, 11, 21, 78, 2, 3, 31, 57, 93, 2, 2, 6, 30, 2, 30, 5, 10, 15, 42, 62, 6, 26, 127, 21, 1, 17, 14, 6, 1, 2, 195, 74, 114, 31, 35, 6, 42, 5, 186, 1, 14, 21, 14, 3, 33, 30, 5, 10]

cp's OEIS Frontend

A355928 Squarefree part of the sum of divisors of n.

Table of values

List of values

n	a(n)
1	1
2	3
3	1
4	7
5	6
6	3
7	2
8	15
9	13
10	2
11	3
12	7
13	14
14	6
15	6
16	31
17	2
18	39
19	5
20	42
21	2
22	1
23	6
24	15
25	31
26	42
27	10
28	14
29	30
30	2
31	2
32	7
33	3
34	6
35	3
36	91
37	38
38	15
39	14
40	10
41	42
42	6
43	11
44	21
45	78
46	2
47	3
48	31
49	57
50	93
51	2
52	2
53	6
54	30
55	2
56	30
57	5
58	10
59	15
60	42
61	62
62	6
63	26
64	127
65	21
66	1
67	17
68	14
69	6
70	1
71	2
72	195
73	74
74	114
75	31
76	35
77	6
78	42
79	5
80	186
81	1
82	14
83	21
84	14
85	3
86	33
87	30
88	5
89	10

n	a(n)
1	1
2	3
3	1
4	7
5	6
6	3
7	2
8	15
9	13
10	2
11	3
12	7
13	14
14	6
15	6
16	31
17	2
18	39
19	5
20	42
21	2
22	1
23	6
24	15
25	31
26	42
27	10
28	14
29	30
30	2
31	2
32	7
33	3
34	6
35	3
36	91
37	38
38	15
39	14
40	10
41	42
42	6
43	11
44	21
45	78
46	2
47	3
48	31
49	57
50	93
51	2
52	2
53	6
54	30
55	2
56	30
57	5
58	10
59	15
60	42
61	62
62	6
63	26
64	127
65	21
66	1
67	17
68	14
69	6
70	1
71	2
72	195
73	74
74	114
75	31
76	35
77	6
78	42
79	5
80	186
81	1
82	14
83	21
84	14
85	3
86	33
87	30
88	5
89	10

n	a(n)
1	1
2	3
3	1
4	7
5	6
6	3
7	2
8	15
9	13
10	2
11	3
12	7
13	14
14	6
15	6
16	31
17	2
18	39
19	5
20	42
21	2
22	1
23	6
24	15
25	31
26	42
27	10
28	14
29	30
30	2
31	2
32	7
33	3
34	6
35	3
36	91
37	38
38	15
39	14
40	10
41	42
42	6
43	11
44	21
45	78
46	2
47	3
48	31
49	57
50	93
51	2
52	2
53	6
54	30
55	2
56	30
57	5
58	10
59	15
60	42
61	62
62	6
63	26
64	127
65	21
66	1
67	17
68	14
69	6
70	1
71	2
72	195
73	74
74	114
75	31
76	35
77	6
78	42
79	5
80	186
81	1
82	14
83	21
84	14
85	3
86	33
87	30
88	5
89	10