1965393801

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{757}}^1$

素因数の和:1036

約数の個数: 80

約数和(自身を含む): 3551320960

約数和(自身を除く): 1585927159

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 241, 399, 513, 567, 723, 757, 1197, 1539, 1687, 2169, 2271, 3591, 4579, 5061, 5299, 6507, 6813, 10773, 13737, 14383, 15183, 15897, 19521, 20439, 32053, 41211, 43149, 45549, 47691, 61317, 96159, 100681, 123633, 129447, 136647, 143073, 182437, 288477, 302043, 370899, 388341, 429219, 547311, 865431, 906129, 1165023, 1277059, 1641933, 2596293, 2718387, 3466303, 3831177, 4925799, 8155161, 10398909, 11493531, 14777397, 24264121, 31196727, 34480593, 72792363, 93590181, 103441779, 218377089, 280770543, 655131267, 1965393801]

約数ペア:

[(1, 1965393801), (3, 655131267), (7, 280770543), (9, 218377089), (19, 103441779), (21, 93590181), (27, 72792363), (57, 34480593), (63, 31196727), (81, 24264121), (133, 14777397), (171, 11493531), (189, 10398909), (241, 8155161), (399, 4925799), (513, 3831177), (567, 3466303), (723, 2718387), (757, 2596293), (1197, 1641933), (1539, 1277059), (1687, 1165023), (2169, 906129), (2271, 865431), (3591, 547311), (4579, 429219), (5061, 388341), (5299, 370899), (6507, 302043), (6813, 288477), (10773, 182437), (13737, 143073), (14383, 136647), (15183, 129447), (15897, 123633), (19521, 100681), (20439, 96159), (32053, 61317), (41211, 47691), (43149, 45549)]