28728297

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{81847}}^1$

素因数の和:81869

約数の個数: 16

約数和(自身を含む): 45834880

約数和(自身を除く): 17106583

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 81847, 245541, 736623, 1064011, 2209869, 3192033, 9576099, 28728297]

約数ペア:

[(1, 28728297), (3, 9576099), (9, 3192033), (13, 2209869), (27, 1064011), (39, 736623), (117, 245541), (351, 81847)]