28059681

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23209}}^1$

素因数の和:23256

約数の個数: 16

約数和(自身を含む): 41592320

約数和(自身を除く): 13532639

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 23209, 69627, 301717, 719479, 905151, 2158437, 9353227, 28059681]

約数ペア:

[(1, 28059681), (3, 9353227), (13, 2158437), (31, 905151), (39, 719479), (93, 301717), (403, 69627), (1209, 23209)]