249751107

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{23537}}^1$

素因数の和:23680

約数の個数: 20

約数和(自身を含む): 375948936

約数和(自身を除く): 126197829

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 10611, 23537, 70611, 211833, 635499, 1906497, 3083347, 9250041, 27750123, 83250369, 249751107]

約数ペア:

[(1, 249751107), (3, 83250369), (9, 27750123), (27, 9250041), (81, 3083347), (131, 1906497), (393, 635499), (1179, 211833), (3537, 70611), (10611, 23537)]