47247039

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20269}}^1$

素因数の和:20319

約数の個数: 24

約数和(自身を含む): 80107040

約数和(自身を除く): 32860001

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 20269, 60807, 141883, 182421, 425649, 749953, 1276947, 2249859, 5249671, 6749577, 15749013, 47247039]

約数ペア:

[(1, 47247039), (3, 15749013), (7, 6749577), (9, 5249671), (21, 2249859), (37, 1276947), (63, 749953), (111, 425649), (259, 182421), (333, 141883), (777, 60807), (2331, 20269)]