8121789

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:888

約数の個数: 28

約数和(自身を含む): 13129116

約数和(自身を除く): 5007327

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 857, 1053, 2571, 3159, 7713, 9477, 11141, 23139, 33423, 69417, 100269, 208251, 300807, 624753, 902421, 2707263, 8121789]

約数ペア:

[(1, 8121789), (3, 2707263), (9, 902421), (13, 624753), (27, 300807), (39, 208251), (81, 100269), (117, 69417), (243, 33423), (351, 23139), (729, 11141), (857, 9477), (1053, 7713), (2571, 3159)]