268991523

素因数分解:

$3^6\times {\mathrm{71}}^1\times {\mathrm{5197}}^1$

素因数の和:5286

約数の個数: 28

約数和(自身を含む): 409061808

約数和(自身を除く): 140070285

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 729, 1917, 5197, 5751, 15591, 17253, 46773, 51759, 140319, 368987, 420957, 1106961, 1262871, 3320883, 3788613, 9962649, 29887947, 89663841, 268991523]

約数ペア:

[(1, 268991523), (3, 89663841), (9, 29887947), (27, 9962649), (71, 3788613), (81, 3320883), (213, 1262871), (243, 1106961), (639, 420957), (729, 368987), (1917, 140319), (5197, 51759), (5751, 46773), (15591, 17253)]