1980027

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 3335904

約数和(自身を除く): 1355877

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 593, 1113, 1779, 3339, 4151, 5337, 12453, 31429, 37359, 94287, 220003, 282861, 660009, 1980027]

約数ペア:

[(1, 1980027), (3, 660009), (7, 282861), (9, 220003), (21, 94287), (53, 37359), (63, 31429), (159, 12453), (371, 5337), (477, 4151), (593, 3339), (1113, 1779)]