28719639

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5987}}^1$

素因数の和:6047

約数の個数: 24

約数和(自身を含む): 45772272

約数和(自身を除く): 17052633

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4797, 5987, 17961, 53883, 77831, 233493, 245467, 700479, 736401, 2209203, 3191071, 9573213, 28719639]

約数ペア:

[(1, 28719639), (3, 9573213), (9, 3191071), (13, 2209203), (39, 736401), (41, 700479), (117, 245467), (123, 233493), (369, 77831), (533, 53883), (1599, 17961), (4797, 5987)]