A326126 - cp's OEIS frontend

A326126 Sum of all other divisors of n except the squarefree part of n: a(n) = sigma(n) - A007913(n).

n	a(n)
1	0
2	1
3	1
4	6
5	1
6	6
7	1
8	13
9	12
10	8
11	1
12	25
13	1
14	10
15	9
16	30
17	1
18	37
19	1
20	37
21	11
22	14
23	1
24	54
25	30
26	16
27	37
28	49
29	1
30	42
31	1
32	61
33	15
34	20
35	13
36	90
37	1
38	22
39	17
40	80
41	1
42	54
43	1
44	73
45	73
46	26
47	1
48	121
49	56
50	91
51	21
52	85
53	1
54	114
55	17
56	106
57	23
58	32
59	1
60	153
61	1
62	34
63	97
64	126
65	19
66	78
67	1
68	109
69	27
70	74
71	1
72	193
73	1
74	40
75	121
76	121
77	19
78	90
79	1
80	181
81	120
82	44
83	1
84	203
85	23
86	46
87	33
88	158
89	1
90	224
91	21

[0, 1, 1, 6, 1, 6, 1, 13, 12, 8, 1, 25, 1, 10, 9, 30, 1, 37, 1, 37, 11, 14, 1, 54, 30, 16, 37, 49, 1, 42, 1, 61, 15, 20, 13, 90, 1, 22, 17, 80, 1, 54, 1, 73, 73, 26, 1, 121, 56, 91, 21, 85, 1, 114, 17, 106, 23, 32, 1, 153, 1, 34, 97, 126, 19, 78, 1, 109, 27, 74, 1, 193, 1, 40, 121, 121, 19, 90, 1, 181, 120, 44, 1, 203, 23, 46, 33, 158, 1, 224, 21]

cp's OEIS Frontend

A326126 Sum of all other divisors of n except the squarefree part of n: a(n) = sigma(n) - A007913(n).

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	6
5	1
6	6
7	1
8	13
9	12
10	8
11	1
12	25
13	1
14	10
15	9
16	30
17	1
18	37
19	1
20	37
21	11
22	14
23	1
24	54
25	30
26	16
27	37
28	49
29	1
30	42
31	1
32	61
33	15
34	20
35	13
36	90
37	1
38	22
39	17
40	80
41	1
42	54
43	1
44	73
45	73
46	26
47	1
48	121
49	56
50	91
51	21
52	85
53	1
54	114
55	17
56	106
57	23
58	32
59	1
60	153
61	1
62	34
63	97
64	126
65	19
66	78
67	1
68	109
69	27
70	74
71	1
72	193
73	1
74	40
75	121
76	121
77	19
78	90
79	1
80	181
81	120
82	44
83	1
84	203
85	23
86	46
87	33
88	158
89	1
90	224
91	21

n	a(n)
1	0
2	1
3	1
4	6
5	1
6	6
7	1
8	13
9	12
10	8
11	1
12	25
13	1
14	10
15	9
16	30
17	1
18	37
19	1
20	37
21	11
22	14
23	1
24	54
25	30
26	16
27	37
28	49
29	1
30	42
31	1
32	61
33	15
34	20
35	13
36	90
37	1
38	22
39	17
40	80
41	1
42	54
43	1
44	73
45	73
46	26
47	1
48	121
49	56
50	91
51	21
52	85
53	1
54	114
55	17
56	106
57	23
58	32
59	1
60	153
61	1
62	34
63	97
64	126
65	19
66	78
67	1
68	109
69	27
70	74
71	1
72	193
73	1
74	40
75	121
76	121
77	19
78	90
79	1
80	181
81	120
82	44
83	1
84	203
85	23
86	46
87	33
88	158
89	1
90	224
91	21

n	a(n)
1	0
2	1
3	1
4	6
5	1
6	6
7	1
8	13
9	12
10	8
11	1
12	25
13	1
14	10
15	9
16	30
17	1
18	37
19	1
20	37
21	11
22	14
23	1
24	54
25	30
26	16
27	37
28	49
29	1
30	42
31	1
32	61
33	15
34	20
35	13
36	90
37	1
38	22
39	17
40	80
41	1
42	54
43	1
44	73
45	73
46	26
47	1
48	121
49	56
50	91
51	21
52	85
53	1
54	114
55	17
56	106
57	23
58	32
59	1
60	153
61	1
62	34
63	97
64	126
65	19
66	78
67	1
68	109
69	27
70	74
71	1
72	193
73	1
74	40
75	121
76	121
77	19
78	90
79	1
80	181
81	120
82	44
83	1
84	203
85	23
86	46
87	33
88	158
89	1
90	224
91	21