819371457

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{198347}}^1$

素因数の和:198379

約数の個数: 24

約数和(自身を含む): 1299576096

約数和(自身を除く): 480204639

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 198347, 595041, 1785123, 3371899, 5355369, 10115697, 16066107, 30347091, 48198321, 91041273, 273123819, 819371457]

約数ペア:

[(1, 819371457), (3, 273123819), (9, 91041273), (17, 48198321), (27, 30347091), (51, 16066107), (81, 10115697), (153, 5355369), (243, 3371899), (459, 1785123), (1377, 595041), (4131, 198347)]