9998721

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1827

約数の個数: 24

約数和(自身を含む): 15637440

約数和(自身を除く): 5638719

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1789, 1863, 5367, 5589, 16101, 41147, 48303, 123441, 144909, 370323, 434727, 1110969, 3332907, 9998721]

約数ペア:

[(1, 9998721), (3, 3332907), (9, 1110969), (23, 434727), (27, 370323), (69, 144909), (81, 123441), (207, 48303), (243, 41147), (621, 16101), (1789, 5589), (1863, 5367)]