289128543

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{123401}}^1$

素因数の和:123486

約数の個数: 16

約数和(自身を含む): 426477312

約数和(自身を除く): 137348769

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 123401, 370203, 1357411, 4072233, 8761471, 26284413, 96376181, 289128543]

約数ペア:

[(1, 289128543), (3, 96376181), (11, 26284413), (33, 8761471), (71, 4072233), (213, 1357411), (781, 370203), (2343, 123401)]