12427261

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 15579648

約数和(自身を除く): 3152387

約数列:

[1, 7, 11, 77, 251, 643, 1757, 2761, 4501, 7073, 19327, 49511, 161393, 1129751, 1775323, 12427261]

約数ペア:

[(1, 12427261), (7, 1775323), (11, 1129751), (77, 161393), (251, 49511), (643, 19327), (1757, 7073), (2761, 4501)]