289170717

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{123419}}^1$

素因数の和:123504

約数の個数: 16

約数和(自身を含む): 426539520

約数和(自身を除く): 137368803

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 123419, 370257, 1357609, 4072827, 8762749, 26288247, 96390239, 289170717]

約数ペア:

[(1, 289170717), (3, 96390239), (11, 26288247), (33, 8762749), (71, 4072827), (213, 1357609), (781, 370257), (2343, 123419)]