2019989385

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2640509}}^1$

素因数の和:2640537

約数の個数: 24

約数和(自身を含む): 3707276040

約数和(自身を除く): 1687286655

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2640509, 7921527, 13202545, 23764581, 39607635, 44888653, 118822905, 134665959, 224443265, 403997877, 673329795, 2019989385]

約数ペア:

[(1, 2019989385), (3, 673329795), (5, 403997877), (9, 224443265), (15, 134665959), (17, 118822905), (45, 44888653), (51, 39607635), (85, 23764581), (153, 13202545), (255, 7921527), (765, 2640509)]