2054913

素因数分解:

$3^1\times 7^3\times {\mathrm{1997}}^1$

素因数の和:2021

約数の個数: 16

約数和(自身を含む): 3196800

約数和(自身を除く): 1141887

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1997, 5991, 13979, 41937, 97853, 293559, 684971, 2054913]

約数ペア:

[(1, 2054913), (3, 684971), (7, 293559), (21, 97853), (49, 41937), (147, 13979), (343, 5991), (1029, 1997)]