218361

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 342720

約数和(自身を除く): 124359

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 509, 1527, 5599, 6617, 16797, 19851, 72787, 218361]

約数ペア:

[(1, 218361), (3, 72787), (11, 19851), (13, 16797), (33, 6617), (39, 5599), (143, 1527), (429, 509)]