8281359

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{5381}}^1$

素因数の和:5412

約数の個数: 20

約数和(自身を含む): 13024440

約数和(自身を除く): 4743081

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 5381, 16143, 48429, 102239, 145287, 306717, 435861, 920151, 2760453, 8281359]

約数ペア:

[(1, 8281359), (3, 2760453), (9, 920151), (19, 435861), (27, 306717), (57, 145287), (81, 102239), (171, 48429), (513, 16143), (1539, 5381)]