2247705855

素因数分解:

$3^4\times 5^1\times {\mathrm{5549891}}^1$

素因数の和:5549908

約数の個数: 20

約数和(自身を含む): 4029221592

約数和(自身を除く): 1781515737

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5549891, 16649673, 27749455, 49949019, 83248365, 149847057, 249745095, 449541171, 749235285, 2247705855]

約数ペア:

[(1, 2247705855), (3, 749235285), (5, 449541171), (9, 249745095), (15, 149847057), (27, 83248365), (45, 49949019), (81, 27749455), (135, 16649673), (405, 5549891)]