2019980487

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{313321}}^1$

素因数の和:313638

約数の個数: 16

約数和(自身を含む): 3088101632

約数和(自身を除く): 1068121145

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 313321, 939963, 2193247, 6579741, 96189547, 288568641, 673326829, 2019980487]

約数ペア:

[(1, 2019980487), (3, 673326829), (7, 288568641), (21, 96189547), (307, 6579741), (921, 2193247), (2149, 939963), (6447, 313321)]