81601263

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43801}}^1$

素因数の和:43836

約数の個数: 20

約数和(自身を含む): 127201008

約数和(自身を除く): 45599745

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 43801, 131403, 394209, 1007423, 1182627, 3022269, 3547881, 9066807, 27200421, 81601263]

約数ペア:

[(1, 81601263), (3, 27200421), (9, 9066807), (23, 3547881), (27, 3022269), (69, 1182627), (81, 1007423), (207, 394209), (621, 131403), (1863, 43801)]