20143989621

素因数分解:

$3^2\times 7^2\times {\mathrm{45677981}}^1$

素因数の和:45678001

約数の個数: 18

約数和(自身を含む): 33847384662

約数和(自身を除く): 13703395041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45677981, 137033943, 319745867, 411101829, 959237601, 2238221069, 2877712803, 6714663207, 20143989621]

約数ペア:

[(1, 20143989621), (3, 6714663207), (7, 2877712803), (9, 2238221069), (21, 959237601), (49, 411101829), (63, 319745867), (147, 137033943), (441, 45677981)]