21817367577

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{160423}}^1$

素因数の和:160531

約数の個数: 40

約数和(自身を含む): 34474475904

約数和(自身を除く): 12657108327

約数列:

[1, 3, 9, 23, 27, 69, 73, 81, 207, 219, 621, 657, 1679, 1863, 1971, 5037, 5913, 15111, 45333, 135999, 160423, 481269, 1443807, 3689729, 4331421, 11069187, 11710879, 12994263, 33207561, 35132637, 99622683, 105397911, 269350217, 298868049, 316193733, 808050651, 948581199, 2424151953, 7272455859, 21817367577]

約数ペア:

[(1, 21817367577), (3, 7272455859), (9, 2424151953), (23, 948581199), (27, 808050651), (69, 316193733), (73, 298868049), (81, 269350217), (207, 105397911), (219, 99622683), (621, 35132637), (657, 33207561), (1679, 12994263), (1863, 11710879), (1971, 11069187), (5037, 4331421), (5913, 3689729), (15111, 1443807), (45333, 481269), (135999, 160423)]