7621857

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{1289}}^1$

素因数の和:1374

約数の個数: 20

約数和(自身を含む): 11550660

約数和(自身を除く): 3928803

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1289, 1971, 3867, 5913, 11601, 34803, 94097, 104409, 282291, 846873, 2540619, 7621857]

約数ペア:

[(1, 7621857), (3, 2540619), (9, 846873), (27, 282291), (73, 104409), (81, 94097), (219, 34803), (657, 11601), (1289, 5913), (1971, 3867)]