A279814 - cp's OEIS frontend

A279814 Numbers n such that the average of the squares of the proper divisors of n is an integer.

n	a(n)
1	2
2	3
3	5
4	7
5	8
6	9
7	10
8	11
9	13
10	14
11	17
12	19
13	22
14	23
15	25
16	26
17	29
18	31
19	34
20	35
21	37
22	38
23	41
24	43
25	46
26	47
27	49
28	50
29	53
30	55
31	58
32	59
33	61
34	62
35	65
36	67
37	71
38	73
39	74
40	75
41	77
42	79
43	80
44	81
45	82
46	83
47	85
48	86
49	89
50	91
51	94
52	95
53	97
54	101
55	103
56	106
57	107
58	109
59	113
60	115
61	118
62	119
63	121
64	122
65	125
66	127
67	131
68	133
69	134
70	137
71	139
72	140
73	142
74	143
75	145
76	146
77	149

[2, 3, 5, 7, 8, 9, 10, 11, 13, 14, 17, 19, 22, 23, 25, 26, 29, 31, 34, 35, 37, 38, 41, 43, 46, 47, 49, 50, 53, 55, 58, 59, 61, 62, 65, 67, 71, 73, 74, 75, 77, 79, 80, 81, 82, 83, 85, 86, 89, 91, 94, 95, 97, 101, 103, 106, 107, 109, 113, 115, 118, 119, 121, 122, 125, 127, 131, 133, 134, 137, 139, 140, 142, 143, 145, 146, 149]

cp's OEIS Frontend

A279814 Numbers n such that the average of the squares of the proper divisors of n is an integer.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	8
6	9
7	10
8	11
9	13
10	14
11	17
12	19
13	22
14	23
15	25
16	26
17	29
18	31
19	34
20	35
21	37
22	38
23	41
24	43
25	46
26	47
27	49
28	50
29	53
30	55
31	58
32	59
33	61
34	62
35	65
36	67
37	71
38	73
39	74
40	75
41	77
42	79
43	80
44	81
45	82
46	83
47	85
48	86
49	89
50	91
51	94
52	95
53	97
54	101
55	103
56	106
57	107
58	109
59	113
60	115
61	118
62	119
63	121
64	122
65	125
66	127
67	131
68	133
69	134
70	137
71	139
72	140
73	142
74	143
75	145
76	146
77	149

n	a(n)
1	2
2	3
3	5
4	7
5	8
6	9
7	10
8	11
9	13
10	14
11	17
12	19
13	22
14	23
15	25
16	26
17	29
18	31
19	34
20	35
21	37
22	38
23	41
24	43
25	46
26	47
27	49
28	50
29	53
30	55
31	58
32	59
33	61
34	62
35	65
36	67
37	71
38	73
39	74
40	75
41	77
42	79
43	80
44	81
45	82
46	83
47	85
48	86
49	89
50	91
51	94
52	95
53	97
54	101
55	103
56	106
57	107
58	109
59	113
60	115
61	118
62	119
63	121
64	122
65	125
66	127
67	131
68	133
69	134
70	137
71	139
72	140
73	142
74	143
75	145
76	146
77	149

n	a(n)
1	2
2	3
3	5
4	7
5	8
6	9
7	10
8	11
9	13
10	14
11	17
12	19
13	22
14	23
15	25
16	26
17	29
18	31
19	34
20	35
21	37
22	38
23	41
24	43
25	46
26	47
27	49
28	50
29	53
30	55
31	58
32	59
33	61
34	62
35	65
36	67
37	71
38	73
39	74
40	75
41	77
42	79
43	80
44	81
45	82
46	83
47	85
48	86
49	89
50	91
51	94
52	95
53	97
54	101
55	103
56	106
57	107
58	109
59	113
60	115
61	118
62	119
63	121
64	122
65	125
66	127
67	131
68	133
69	134
70	137
71	139
72	140
73	142
74	143
75	145
76	146
77	149