840123009

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{942899}}^1$

素因数の和:942922

約数の個数: 20

約数和(自身を含む): 1369090800

約数和(自身を除く): 528967791

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 942899, 2828697, 8486091, 10371889, 25458273, 31115667, 76374819, 93347001, 280041003, 840123009]

約数ペア:

[(1, 840123009), (3, 280041003), (9, 93347001), (11, 76374819), (27, 31115667), (33, 25458273), (81, 10371889), (99, 8486091), (297, 2828697), (891, 942899)]