388907961

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{71741}}^1$

素因数の和:71896

約数の個数: 16

約数和(自身を含む): 562457280

約数和(自身を除く): 173549319

約数列:

[1, 3, 13, 39, 139, 417, 1807, 5421, 71741, 215223, 932633, 2797899, 9971999, 29915997, 129635987, 388907961]

約数ペア:

[(1, 388907961), (3, 129635987), (13, 29915997), (39, 9971999), (139, 2797899), (417, 932633), (1807, 215223), (5421, 71741)]