28713321

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35059}}^1$

素因数の和:35085

約数の個数: 24

約数和(自身を含む): 51047360

約数和(自身を除く): 22334039

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 35059, 105177, 245413, 315531, 455767, 736239, 1367301, 2208717, 3190369, 4101903, 9571107, 28713321]

約数ペア:

[(1, 28713321), (3, 9571107), (7, 4101903), (9, 3190369), (13, 2208717), (21, 1367301), (39, 736239), (63, 455767), (91, 315531), (117, 245413), (273, 105177), (819, 35059)]