27580203

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2088

約数の個数: 32

約数和(自身を含む): 47360000

約数和(自身を除く): 19779797

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1533, 1971, 1999, 4599, 5997, 13797, 13993, 17991, 41979, 53973, 125937, 145927, 377811, 437781, 1021489, 1313343, 3064467, 3940029, 9193401, 27580203]

約数ペア:

[(1, 27580203), (3, 9193401), (7, 3940029), (9, 3064467), (21, 1313343), (27, 1021489), (63, 437781), (73, 377811), (189, 145927), (219, 125937), (511, 53973), (657, 41979), (1533, 17991), (1971, 13993), (1999, 13797), (4599, 5997)]