28271781

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{36107}}^1$

素因数の和:36145

約数の個数: 16

約数和(自身を含む): 43329600

約数和(自身を除く): 15057819

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 36107, 108321, 324963, 974889, 1047103, 3141309, 9423927, 28271781]

約数ペア:

[(1, 28271781), (3, 9423927), (9, 3141309), (27, 1047103), (29, 974889), (87, 324963), (261, 108321), (783, 36107)]