25573509

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{72859}}^1$

素因数の和:72881

約数の個数: 16

約数和(自身を含む): 40801600

約数和(自身を除く): 15228091

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 72859, 218577, 655731, 947167, 1967193, 2841501, 8524503, 25573509]

約数ペア:

[(1, 25573509), (3, 8524503), (9, 2841501), (13, 1967193), (27, 947167), (39, 655731), (117, 218577), (351, 72859)]