A241405 - cp's OEIS frontend

A241405 Sum of modified exponential divisors: if n = Product p_i^r_i then me-sigma(x) = Product (sum p_i^s_i such that s_i+1 divides r_i+1).

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	12
7	8
8	11
9	10
10	18
11	12
12	20
13	14
14	24
15	24
16	17
17	18
18	30
19	20
20	30
21	32
22	36
23	24
24	44
25	26
26	42
27	31
28	40
29	30
30	72
31	32
32	39
33	48
34	54
35	48
36	50
37	38
38	60
39	56
40	66
41	42
42	96
43	44
44	60
45	60
46	72
47	48
48	68
49	50
50	78
51	72
52	70
53	54
54	93
55	72
56	88
57	80
58	90
59	60
60	120
61	62
62	96
63	80
64	65
65	84
66	144
67	68
68	90
69	96
70	144
71	72
72	110
73	74
74	114
75	104
76	100
77	96
78	168
79	80

[1, 3, 4, 5, 6, 12, 8, 11, 10, 18, 12, 20, 14, 24, 24, 17, 18, 30, 20, 30, 32, 36, 24, 44, 26, 42, 31, 40, 30, 72, 32, 39, 48, 54, 48, 50, 38, 60, 56, 66, 42, 96, 44, 60, 60, 72, 48, 68, 50, 78, 72, 70, 54, 93, 72, 88, 80, 90, 60, 120, 62, 96, 80, 65, 84, 144, 68, 90, 96, 144, 72, 110, 74, 114, 104, 100, 96, 168, 80]

cp's OEIS Frontend

A241405 Sum of modified exponential divisors: if n = Product p_i^r_i then me-sigma(x) = Product (sum p_i^s_i such that s_i+1 divides r_i+1).

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	12
7	8
8	11
9	10
10	18
11	12
12	20
13	14
14	24
15	24
16	17
17	18
18	30
19	20
20	30
21	32
22	36
23	24
24	44
25	26
26	42
27	31
28	40
29	30
30	72
31	32
32	39
33	48
34	54
35	48
36	50
37	38
38	60
39	56
40	66
41	42
42	96
43	44
44	60
45	60
46	72
47	48
48	68
49	50
50	78
51	72
52	70
53	54
54	93
55	72
56	88
57	80
58	90
59	60
60	120
61	62
62	96
63	80
64	65
65	84
66	144
67	68
68	90
69	96
70	144
71	72
72	110
73	74
74	114
75	104
76	100
77	96
78	168
79	80

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	12
7	8
8	11
9	10
10	18
11	12
12	20
13	14
14	24
15	24
16	17
17	18
18	30
19	20
20	30
21	32
22	36
23	24
24	44
25	26
26	42
27	31
28	40
29	30
30	72
31	32
32	39
33	48
34	54
35	48
36	50
37	38
38	60
39	56
40	66
41	42
42	96
43	44
44	60
45	60
46	72
47	48
48	68
49	50
50	78
51	72
52	70
53	54
54	93
55	72
56	88
57	80
58	90
59	60
60	120
61	62
62	96
63	80
64	65
65	84
66	144
67	68
68	90
69	96
70	144
71	72
72	110
73	74
74	114
75	104
76	100
77	96
78	168
79	80

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	12
7	8
8	11
9	10
10	18
11	12
12	20
13	14
14	24
15	24
16	17
17	18
18	30
19	20
20	30
21	32
22	36
23	24
24	44
25	26
26	42
27	31
28	40
29	30
30	72
31	32
32	39
33	48
34	54
35	48
36	50
37	38
38	60
39	56
40	66
41	42
42	96
43	44
44	60
45	60
46	72
47	48
48	68
49	50
50	78
51	72
52	70
53	54
54	93
55	72
56	88
57	80
58	90
59	60
60	120
61	62
62	96
63	80
64	65
65	84
66	144
67	68
68	90
69	96
70	144
71	72
72	110
73	74
74	114
75	104
76	100
77	96
78	168
79	80