129910319

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{21911}}^1$

素因数の和:21947

約数の個数: 18

約数和(自身を含む): 166114872

約数和(自身を除く): 36204553

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 21911, 153377, 241021, 1073639, 1687147, 2651231, 11810029, 18558617, 129910319]

約数ペア:

[(1, 129910319), (7, 18558617), (11, 11810029), (49, 2651231), (77, 1687147), (121, 1073639), (539, 241021), (847, 153377), (5929, 21911)]