21744729

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1439}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 33246720

約数和(自身を除く): 11501991

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1439, 1679, 4317, 5037, 12951, 15111, 33097, 99291, 105047, 297873, 315141, 945423, 2416081, 7248243, 21744729]

約数ペア:

[(1, 21744729), (3, 7248243), (9, 2416081), (23, 945423), (69, 315141), (73, 297873), (207, 105047), (219, 99291), (657, 33097), (1439, 15111), (1679, 12951), (4317, 5037)]