A387721 - cp's OEIS frontend

A387721 Numbers k for which A107758(k) > 2*k, where A107758 is sigma+, multiplicative function with a(p^e) = 1+sigma(p^e).

n	a(n)
1	6
2	10
3	12
4	14
5	15
6	18
7	20
8	21
9	22
10	24
11	26
12	28
13	30
14	34
15	36
16	38
17	40
18	42
19	44
20	45
21	46
22	48
23	50
24	52
25	54
26	56
27	58
28	60
29	62
30	66
31	68
32	70
33	72
34	74
35	75
36	76
37	78
38	80
39	82
40	84
41	86
42	88
43	90
44	92
45	94
46	96
47	98
48	100
49	102
50	104
51	105
52	106
53	108
54	110
55	112
56	114
57	116
58	118
59	120
60	122
61	124
62	126
63	130
64	132
65	134
66	135
67	136
68	138
69	140
70	142
71	144
72	146
73	148

[6, 10, 12, 14, 15, 18, 20, 21, 22, 24, 26, 28, 30, 34, 36, 38, 40, 42, 44, 45, 46, 48, 50, 52, 54, 56, 58, 60, 62, 66, 68, 70, 72, 74, 75, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 105, 106, 108, 110, 112, 114, 116, 118, 120, 122, 124, 126, 130, 132, 134, 135, 136, 138, 140, 142, 144, 146, 148]

cp's OEIS Frontend

A387721 Numbers k for which A107758(k) > 2*k, where A107758 is sigma+, multiplicative function with a(p^e) = 1+sigma(p^e).

Table of values

List of values

n	a(n)
1	6
2	10
3	12
4	14
5	15
6	18
7	20
8	21
9	22
10	24
11	26
12	28
13	30
14	34
15	36
16	38
17	40
18	42
19	44
20	45
21	46
22	48
23	50
24	52
25	54
26	56
27	58
28	60
29	62
30	66
31	68
32	70
33	72
34	74
35	75
36	76
37	78
38	80
39	82
40	84
41	86
42	88
43	90
44	92
45	94
46	96
47	98
48	100
49	102
50	104
51	105
52	106
53	108
54	110
55	112
56	114
57	116
58	118
59	120
60	122
61	124
62	126
63	130
64	132
65	134
66	135
67	136
68	138
69	140
70	142
71	144
72	146
73	148

n	a(n)
1	6
2	10
3	12
4	14
5	15
6	18
7	20
8	21
9	22
10	24
11	26
12	28
13	30
14	34
15	36
16	38
17	40
18	42
19	44
20	45
21	46
22	48
23	50
24	52
25	54
26	56
27	58
28	60
29	62
30	66
31	68
32	70
33	72
34	74
35	75
36	76
37	78
38	80
39	82
40	84
41	86
42	88
43	90
44	92
45	94
46	96
47	98
48	100
49	102
50	104
51	105
52	106
53	108
54	110
55	112
56	114
57	116
58	118
59	120
60	122
61	124
62	126
63	130
64	132
65	134
66	135
67	136
68	138
69	140
70	142
71	144
72	146
73	148

n	a(n)
1	6
2	10
3	12
4	14
5	15
6	18
7	20
8	21
9	22
10	24
11	26
12	28
13	30
14	34
15	36
16	38
17	40
18	42
19	44
20	45
21	46
22	48
23	50
24	52
25	54
26	56
27	58
28	60
29	62
30	66
31	68
32	70
33	72
34	74
35	75
36	76
37	78
38	80
39	82
40	84
41	86
42	88
43	90
44	92
45	94
46	96
47	98
48	100
49	102
50	104
51	105
52	106
53	108
54	110
55	112
56	114
57	116
58	118
59	120
60	122
61	124
62	126
63	130
64	132
65	134
66	135
67	136
68	138
69	140
70	142
71	144
72	146
73	148