209461857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89399}}^1$

素因数の和:89484

約数の個数: 16

約数和(自身を含む): 308966400

約数和(自身を除く): 99504543

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 89399, 268197, 983389, 2950167, 6347329, 19041987, 69820619, 209461857]

約数ペア:

[(1, 209461857), (3, 69820619), (11, 19041987), (33, 6347329), (71, 2950167), (213, 983389), (781, 268197), (2343, 89399)]