28183707

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{18313}}^1$

素因数の和:18344

約数の個数: 20

約数和(自身を含む): 44319880

約数和(自身を除く): 16136173

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 18313, 54939, 164817, 347947, 494451, 1043841, 1483353, 3131523, 9394569, 28183707]

約数ペア:

[(1, 28183707), (3, 9394569), (9, 3131523), (19, 1483353), (27, 1043841), (57, 494451), (81, 347947), (171, 164817), (513, 54939), (1539, 18313)]