A353752 - cp's OEIS frontend

A353752 Multiplicative with a(p^e) = phi(sigma(p^e)).

n	a(n)
1	1
2	2
3	2
4	6
5	2
6	4
7	4
8	8
9	12
10	4
11	4
12	12
13	6
14	8
15	4
16	30
17	6
18	24
19	8
20	12
21	8
22	8
23	8
24	16
25	30
26	12
27	16
28	24
29	8
30	8
31	16
32	36
33	8
34	12
35	8
36	72
37	18
38	16
39	12
40	16
41	12
42	16
43	20
44	24
45	24
46	16
47	16
48	60
49	36
50	60
51	12
52	36
53	18
54	32
55	8
56	32
57	16
58	16
59	16
60	24
61	30
62	32
63	48
64	126
65	12
66	16
67	32
68	36
69	16
70	16
71	24
72	96
73	36
74	36
75	60
76	48
77	16
78	24
79	32
80	60
81	110
82	24
83	24
84	48
85	12

[1, 2, 2, 6, 2, 4, 4, 8, 12, 4, 4, 12, 6, 8, 4, 30, 6, 24, 8, 12, 8, 8, 8, 16, 30, 12, 16, 24, 8, 8, 16, 36, 8, 12, 8, 72, 18, 16, 12, 16, 12, 16, 20, 24, 24, 16, 16, 60, 36, 60, 12, 36, 18, 32, 8, 32, 16, 16, 16, 24, 30, 32, 48, 126, 12, 16, 32, 36, 16, 16, 24, 96, 36, 36, 60, 48, 16, 24, 32, 60, 110, 24, 24, 48, 12]

cp's OEIS Frontend

A353752 Multiplicative with a(p^e) = phi(sigma(p^e)).

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	6
5	2
6	4
7	4
8	8
9	12
10	4
11	4
12	12
13	6
14	8
15	4
16	30
17	6
18	24
19	8
20	12
21	8
22	8
23	8
24	16
25	30
26	12
27	16
28	24
29	8
30	8
31	16
32	36
33	8
34	12
35	8
36	72
37	18
38	16
39	12
40	16
41	12
42	16
43	20
44	24
45	24
46	16
47	16
48	60
49	36
50	60
51	12
52	36
53	18
54	32
55	8
56	32
57	16
58	16
59	16
60	24
61	30
62	32
63	48
64	126
65	12
66	16
67	32
68	36
69	16
70	16
71	24
72	96
73	36
74	36
75	60
76	48
77	16
78	24
79	32
80	60
81	110
82	24
83	24
84	48
85	12

n	a(n)
1	1
2	2
3	2
4	6
5	2
6	4
7	4
8	8
9	12
10	4
11	4
12	12
13	6
14	8
15	4
16	30
17	6
18	24
19	8
20	12
21	8
22	8
23	8
24	16
25	30
26	12
27	16
28	24
29	8
30	8
31	16
32	36
33	8
34	12
35	8
36	72
37	18
38	16
39	12
40	16
41	12
42	16
43	20
44	24
45	24
46	16
47	16
48	60
49	36
50	60
51	12
52	36
53	18
54	32
55	8
56	32
57	16
58	16
59	16
60	24
61	30
62	32
63	48
64	126
65	12
66	16
67	32
68	36
69	16
70	16
71	24
72	96
73	36
74	36
75	60
76	48
77	16
78	24
79	32
80	60
81	110
82	24
83	24
84	48
85	12

n	a(n)
1	1
2	2
3	2
4	6
5	2
6	4
7	4
8	8
9	12
10	4
11	4
12	12
13	6
14	8
15	4
16	30
17	6
18	24
19	8
20	12
21	8
22	8
23	8
24	16
25	30
26	12
27	16
28	24
29	8
30	8
31	16
32	36
33	8
34	12
35	8
36	72
37	18
38	16
39	12
40	16
41	12
42	16
43	20
44	24
45	24
46	16
47	16
48	60
49	36
50	60
51	12
52	36
53	18
54	32
55	8
56	32
57	16
58	16
59	16
60	24
61	30
62	32
63	48
64	126
65	12
66	16
67	32
68	36
69	16
70	16
71	24
72	96
73	36
74	36
75	60
76	48
77	16
78	24
79	32
80	60
81	110
82	24
83	24
84	48
85	12