16140789

素因数分解:

$3^6\times 7^1\times {\mathrm{3163}}^1$

素因数の和:3188

約数の個数: 28

約数和(自身を含む): 27666016

約数和(自身を除く): 11525227

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3163, 5103, 9489, 22141, 28467, 66423, 85401, 199269, 256203, 597807, 768609, 1793421, 2305827, 5380263, 16140789]

約数ペア:

[(1, 16140789), (3, 5380263), (7, 2305827), (9, 1793421), (21, 768609), (27, 597807), (63, 256203), (81, 199269), (189, 85401), (243, 66423), (567, 28467), (729, 22141), (1701, 9489), (3163, 5103)]