28439073

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{81023}}^1$

素因数の和:81045

約数の個数: 16

約数和(自身を含む): 45373440

約数和(自身を除く): 16934367

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 81023, 243069, 729207, 1053299, 2187621, 3159897, 9479691, 28439073]

約数ペア:

[(1, 28439073), (3, 9479691), (9, 3159897), (13, 2187621), (27, 1053299), (39, 729207), (117, 243069), (351, 81023)]