2021868285

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{969721}}^1$

素因数の和:969868

約数の個数: 16

約数和(自身を含む): 3258265920

約数和(自身を除く): 1236397635

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 969721, 2909163, 4848605, 14545815, 134791219, 404373657, 673956095, 2021868285]

約数ペア:

[(1, 2021868285), (3, 673956095), (5, 404373657), (15, 134791219), (139, 14545815), (417, 4848605), (695, 2909163), (2085, 969721)]