8261589

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1997}}^1$

素因数の和:2204

約数の個数: 16

約数和(自身を含む): 12659328

約数和(自身を除く): 4397739

約数列:

[1, 3, 7, 21, 197, 591, 1379, 1997, 4137, 5991, 13979, 41937, 393409, 1180227, 2753863, 8261589]

約数ペア:

[(1, 8261589), (3, 2753863), (7, 1180227), (21, 393409), (197, 41937), (591, 13979), (1379, 5991), (1997, 4137)]