28085577

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{3413}}^1$

素因数の和:3640

約数の個数: 16

約数和(自身を含む): 40531008

約数和(自身を除く): 12445431

約数列:

[1, 3, 13, 39, 211, 633, 2743, 3413, 8229, 10239, 44369, 133107, 720143, 2160429, 9361859, 28085577]

約数ペア:

[(1, 28085577), (3, 9361859), (13, 2160429), (39, 720143), (211, 133107), (633, 44369), (2743, 10239), (3413, 8229)]