2660157

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 4088448

約数和(自身を除く): 1428291

約数列:

[1, 3, 9, 23, 69, 71, 181, 207, 213, 543, 639, 1629, 1633, 4163, 4899, 12489, 12851, 14697, 37467, 38553, 115659, 295573, 886719, 2660157]

約数ペア:

[(1, 2660157), (3, 886719), (9, 295573), (23, 115659), (69, 38553), (71, 37467), (181, 14697), (207, 12851), (213, 12489), (543, 4899), (639, 4163), (1629, 1633)]