27910881

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1517

約数の個数: 24

約数和(自身を含む): 42232320

約数和(自身を除く): 14321439

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 1409, 2201, 4227, 6603, 12681, 19809, 43679, 100039, 131037, 300117, 393111, 900351, 3101209, 9303627, 27910881]

約数ペア:

[(1, 27910881), (3, 9303627), (9, 3101209), (31, 900351), (71, 393111), (93, 300117), (213, 131037), (279, 100039), (639, 43679), (1409, 19809), (2201, 12681), (4227, 6603)]