81878202

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{701}}^1$

素因数の和:825

約数の個数: 80

約数和(自身を含む): 212015232

約数和(自身を除く): 130137030

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 103, 126, 162, 189, 206, 309, 378, 567, 618, 701, 721, 927, 1134, 1402, 1442, 1854, 2103, 2163, 2781, 4206, 4326, 4907, 5562, 6309, 6489, 8343, 9814, 12618, 12978, 14721, 16686, 18927, 19467, 29442, 37854, 38934, 44163, 56781, 58401, 72203, 88326, 113562, 116802, 132489, 144406, 216609, 264978, 397467, 433218, 505421, 649827, 794934, 1010842, 1299654, 1516263, 1949481, 3032526, 3898962, 4548789, 5848443, 9097578, 11696886, 13646367, 27292734, 40939101, 81878202]

約数ペア:

[(1, 81878202), (2, 40939101), (3, 27292734), (6, 13646367), (7, 11696886), (9, 9097578), (14, 5848443), (18, 4548789), (21, 3898962), (27, 3032526), (42, 1949481), (54, 1516263), (63, 1299654), (81, 1010842), (103, 794934), (126, 649827), (162, 505421), (189, 433218), (206, 397467), (309, 264978), (378, 216609), (567, 144406), (618, 132489), (701, 116802), (721, 113562), (927, 88326), (1134, 72203), (1402, 58401), (1442, 56781), (1854, 44163), (2103, 38934), (2163, 37854), (2781, 29442), (4206, 19467), (4326, 18927), (4907, 16686), (5562, 14721), (6309, 12978), (6489, 12618), (8343, 9814)]