201991707

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{1097}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 299754000

約数和(自身を除く): 97762293

約数列:

[1, 3, 9, 41, 123, 369, 499, 1097, 1497, 3291, 4491, 9873, 20459, 44977, 61377, 134931, 184131, 404793, 547403, 1642209, 4926627, 22443523, 67330569, 201991707]

約数ペア:

[(1, 201991707), (3, 67330569), (9, 22443523), (41, 4926627), (123, 1642209), (369, 547403), (499, 404793), (1097, 184131), (1497, 134931), (3291, 61377), (4491, 44977), (9873, 20459)]