2021630679

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{1999}}^1\times {\mathrm{3037}}^1$

素因数の和:5079

約数の個数: 24

約数和(自身を含む): 3001544000

約数和(自身を除く): 979913321

約数列:

[1, 3, 9, 37, 111, 333, 1999, 3037, 5997, 9111, 17991, 27333, 73963, 112369, 221889, 337107, 665667, 1011321, 6070963, 18212889, 54638667, 224625631, 673876893, 2021630679]

約数ペア:

[(1, 2021630679), (3, 673876893), (9, 224625631), (37, 54638667), (111, 18212889), (333, 6070963), (1999, 1011321), (3037, 665667), (5997, 337107), (9111, 221889), (17991, 112369), (27333, 73963)]