28189971

素因数分解:

$3^3\times {\mathrm{233}}^1\times {\mathrm{4481}}^1$

素因数の和:4723

約数の個数: 16

約数和(自身を含む): 41951520

約数和(自身を除く): 13761549

約数列:

[1, 3, 9, 27, 233, 699, 2097, 4481, 6291, 13443, 40329, 120987, 1044073, 3132219, 9396657, 28189971]

約数ペア:

[(1, 28189971), (3, 9396657), (9, 3132219), (27, 1044073), (233, 120987), (699, 40329), (2097, 13443), (4481, 6291)]