8220219

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1987}}^1$

素因数の和:2194

約数の個数: 16

約数和(自身を含む): 12595968

約数和(自身を除く): 4375749

約数列:

[1, 3, 7, 21, 197, 591, 1379, 1987, 4137, 5961, 13909, 41727, 391439, 1174317, 2740073, 8220219]

約数ペア:

[(1, 8220219), (3, 2740073), (7, 1174317), (21, 391439), (197, 41727), (591, 13909), (1379, 5961), (1987, 4137)]