289367529

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{123503}}^1$

素因数の和:123588

約数の個数: 16

約数和(自身を含む): 426829824

約数和(自身を除く): 137462295

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 123503, 370509, 1358533, 4075599, 8768713, 26306139, 96455843, 289367529]

約数ペア:

[(1, 289367529), (3, 96455843), (11, 26306139), (33, 8768713), (71, 4075599), (213, 1358533), (781, 370509), (2343, 123503)]