2890990137

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1050887}}^1$

素因数の和:1051028

約数の個数: 16

約数和(自身を含む): 4438950912

約数和(自身を除く): 1547960775

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 1050887, 3152661, 7356209, 22068627, 137666197, 412998591, 963663379, 2890990137]

約数ペア:

[(1, 2890990137), (3, 963663379), (7, 412998591), (21, 137666197), (131, 22068627), (393, 7356209), (917, 3152661), (2751, 1050887)]