278345727

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{312397}}^1$

素因数の和:312420

約数の個数: 20

約数和(自身を含む): 453601896

約数和(自身を除く): 175256169

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 312397, 937191, 2811573, 3436367, 8434719, 10309101, 25304157, 30927303, 92781909, 278345727]

約数ペア:

[(1, 278345727), (3, 92781909), (9, 30927303), (11, 25304157), (27, 10309101), (33, 8434719), (81, 3436367), (99, 2811573), (297, 937191), (891, 312397)]