2637819

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{647}}^1$

素因数の和:807

約数の個数: 16

約数和(自身を含む): 3939840

約数和(自身を除く): 1302021

約数列:

[1, 3, 9, 27, 151, 453, 647, 1359, 1941, 4077, 5823, 17469, 97697, 293091, 879273, 2637819]

約数ペア:

[(1, 2637819), (3, 879273), (9, 293091), (27, 97697), (151, 17469), (453, 5823), (647, 4077), (1359, 1941)]