209966787

素因数分解:

$3^2\times {\mathrm{503}}^1\times {\mathrm{46381}}^1$

素因数の和:46890

約数の個数: 12

約数和(自身を含む): 303894864

約数和(自身を除く): 93928077

約数列:

[1, 3, 9, 503, 1509, 4527, 46381, 139143, 417429, 23329643, 69988929, 209966787]

約数ペア:

[(1, 209966787), (3, 69988929), (9, 23329643), (503, 417429), (1509, 139143), (4527, 46381)]