2021645727

素因数分解:

$3^2\times {\mathrm{53}}^2\times {\mathrm{79967}}^1$

素因数の和:80079

約数の個数: 18

約数和(自身を含む): 2976328992

約数和(自身を除く): 954683265

約数列:

[1, 3, 9, 53, 159, 477, 2809, 8427, 25281, 79967, 239901, 719703, 4238251, 12714753, 38144259, 224627303, 673881909, 2021645727]

約数ペア:

[(1, 2021645727), (3, 673881909), (9, 224627303), (53, 38144259), (159, 12714753), (477, 4238251), (2809, 719703), (8427, 239901), (25281, 79967)]