31600287

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{20533}}^1$

素因数の和:20564

約数の個数: 20

約数和(自身を含む): 49692280

約数和(自身を除く): 18091993

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 20533, 61599, 184797, 390127, 554391, 1170381, 1663173, 3511143, 10533429, 31600287]

約数ペア:

[(1, 31600287), (3, 10533429), (9, 3511143), (19, 1663173), (27, 1170381), (57, 554391), (81, 390127), (171, 184797), (513, 61599), (1539, 20533)]