128139651

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{5153}}^1$

素因数の和:5472

約数の個数: 20

約数和(自身を含む): 192079272

約数和(自身を除く): 63939621

約数列:

[1, 3, 9, 27, 81, 307, 921, 2763, 5153, 8289, 15459, 24867, 46377, 139131, 417393, 1581971, 4745913, 14237739, 42713217, 128139651]

約数ペア:

[(1, 128139651), (3, 42713217), (9, 14237739), (27, 4745913), (81, 1581971), (307, 417393), (921, 139131), (2763, 46377), (5153, 24867), (8289, 15459)]