1856557827

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{313979}}^1$

素因数の和:314064

約数の個数: 20

約数和(自身を含む): 2811376920

約数和(自身を除く): 954819093

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 313979, 941937, 2825811, 8477433, 22920467, 25432299, 68761401, 206284203, 618852609, 1856557827]

約数ペア:

[(1, 1856557827), (3, 618852609), (9, 206284203), (27, 68761401), (73, 25432299), (81, 22920467), (219, 8477433), (657, 2825811), (1971, 941937), (5913, 313979)]