247392315

素因数分解:

$3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{8419}}^1$

素因数の和:9083

約数の個数: 24

約数和(自身を含む): 429521040

約数和(自身を除く): 182128725

約数列:

[1, 3, 5, 9, 15, 45, 653, 1959, 3265, 5877, 8419, 9795, 25257, 29385, 42095, 75771, 126285, 378855, 5497607, 16492821, 27488035, 49478463, 82464105, 247392315]

約数ペア:

[(1, 247392315), (3, 82464105), (5, 49478463), (9, 27488035), (15, 16492821), (45, 5497607), (653, 378855), (1959, 126285), (3265, 75771), (5877, 42095), (8419, 29385), (9795, 25257)]