200908413

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{61837}}^1$

素因数の和:61881

約数の個数: 18

約数和(自身を含む): 306283614

約数和(自身を除く): 105375201

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 61837, 185511, 556533, 1174903, 3524709, 10574127, 22323157, 66969471, 200908413]

約数ペア:

[(1, 200908413), (3, 66969471), (9, 22323157), (19, 10574127), (57, 3524709), (171, 1174903), (361, 556533), (1083, 185511), (3249, 61837)]