291268953

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{123997}}^1$

素因数の和:124038

約数の個数: 20

約数和(自身を含む): 450112740

約数和(自身を除く): 158843787

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 123997, 371991, 1115973, 3347919, 3595913, 10043757, 10787739, 32363217, 97089651, 291268953]

約数ペア:

[(1, 291268953), (3, 97089651), (9, 32363217), (27, 10787739), (29, 10043757), (81, 3595913), (87, 3347919), (261, 1115973), (783, 371991), (2349, 123997)]