71178981

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{1303}}^1$

素因数の和:1576

約数の個数: 16

約数和(自身を含む): 96391680

約数和(自身を除く): 25212699

約数列:

[1, 3, 131, 139, 393, 417, 1303, 3909, 18209, 54627, 170693, 181117, 512079, 543351, 23726327, 71178981]

約数ペア:

[(1, 71178981), (3, 23726327), (131, 543351), (139, 512079), (393, 181117), (417, 170693), (1303, 54627), (3909, 18209)]