51169887

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{13441}}^1$

素因数の和:13500

約数の個数: 20

約数和(自身を含む): 78071136

約数和(自身を除く): 26901249

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 13441, 40323, 120969, 362907, 631727, 1088721, 1895181, 5685543, 17056629, 51169887]

約数ペア:

[(1, 51169887), (3, 17056629), (9, 5685543), (27, 1895181), (47, 1088721), (81, 631727), (141, 362907), (423, 120969), (1269, 40323), (3807, 13441)]