A175067 - cp's OEIS frontend

A175067 a(n) is the sum of perfect divisors of n, where a perfect divisor of n is a divisor d such that d^k = n for some k >= 1.

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

[1, 2, 3, 6, 5, 6, 7, 10, 12, 10, 11, 12, 13, 14, 15, 22, 17, 18, 19, 20, 21, 22, 23, 24, 30, 26, 30, 28, 29, 30, 31, 34, 33, 34, 35, 42, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 56, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 78, 65, 66, 67, 68, 69, 70, 71, 72]

cp's OEIS Frontend

A175067 a(n) is the sum of perfect divisors of n, where a perfect divisor of n is a divisor d such that d^k = n for some k >= 1.

Table of values

List of values

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

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

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