17820243

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:665

約数の個数: 40

約数和(自身を含む): 31049568

約数和(自身を除く): 13229325

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 593, 1113, 1431, 1779, 3339, 4151, 4293, 5337, 10017, 12453, 16011, 30051, 31429, 37359, 48033, 94287, 112077, 220003, 282861, 336231, 660009, 848583, 1980027, 2545749, 5940081, 17820243]

約数ペア:

[(1, 17820243), (3, 5940081), (7, 2545749), (9, 1980027), (21, 848583), (27, 660009), (53, 336231), (63, 282861), (81, 220003), (159, 112077), (189, 94287), (371, 48033), (477, 37359), (567, 31429), (593, 30051), (1113, 16011), (1431, 12453), (1779, 10017), (3339, 5337), (4151, 4293)]