1256421

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 16

約数和(自身を含む): 1774080

約数和(自身を除く): 517659

約数列:

[1, 3, 23, 69, 131, 139, 393, 417, 3013, 3197, 9039, 9591, 18209, 54627, 418807, 1256421]

約数ペア:

[(1, 1256421), (3, 418807), (23, 54627), (69, 18209), (131, 9591), (139, 9039), (393, 3197), (417, 3013)]