218296959

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{2213}}^1$

素因数の和:2598

約数の個数: 16

約数和(自身を含む): 294585984

約数和(自身を除く): 76289025

約数列:

[1, 3, 131, 251, 393, 753, 2213, 6639, 32881, 98643, 289903, 555463, 869709, 1666389, 72765653, 218296959]

約数ペア:

[(1, 218296959), (3, 72765653), (131, 1666389), (251, 869709), (393, 555463), (753, 289903), (2213, 98643), (6639, 32881)]