28202499

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{26783}}^1$

素因数の和:26808

約数の個数: 20

約数和(自身を含む): 45372096

約数和(自身を除く): 17169597

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 26783, 80349, 241047, 348179, 723141, 1044537, 2169423, 3133611, 9400833, 28202499]

約数ペア:

[(1, 28202499), (3, 9400833), (9, 3133611), (13, 2169423), (27, 1044537), (39, 723141), (81, 348179), (117, 241047), (351, 80349), (1053, 26783)]