13081581

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{5569}}^1$

素因数の和:5610

約数の個数: 20

約数和(自身を含む): 20219100

約数和(自身を除く): 7137519

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 5569, 16707, 50121, 150363, 161501, 451089, 484503, 1453509, 4360527, 13081581]

約数ペア:

[(1, 13081581), (3, 4360527), (9, 1453509), (27, 484503), (29, 451089), (81, 161501), (87, 150363), (261, 50121), (783, 16707), (2349, 5569)]