128216283

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{142939}}^1$

素因数の和:142978

約数の個数: 16

約数和(自身を含む): 192111360

約数和(自身を除く): 63895077

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 142939, 428817, 1858207, 3287597, 5574621, 9862791, 42738761, 128216283]

約数ペア:

[(1, 128216283), (3, 42738761), (13, 9862791), (23, 5574621), (39, 3287597), (69, 1858207), (299, 428817), (897, 142939)]