217941243

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{129959}}^1$

素因数の和:130018

約数の個数: 16

約数和(自身を含む): 320221440

約数和(自身を除く): 102280197

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 129959, 389877, 1689467, 5068401, 5588237, 16764711, 72647081, 217941243]

約数ペア:

[(1, 217941243), (3, 72647081), (13, 16764711), (39, 5588237), (43, 5068401), (129, 1689467), (559, 389877), (1677, 129959)]