128401311

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1\times {\mathrm{1787}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 175595904

約数和(自身を除く): 47194593

約数列:

[1, 3, 43, 129, 557, 1671, 1787, 5361, 23951, 71853, 76841, 230523, 995359, 2986077, 42800437, 128401311]

約数ペア:

[(1, 128401311), (3, 42800437), (43, 2986077), (129, 995359), (557, 230523), (1671, 76841), (1787, 71853), (5361, 23951)]