261755277

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{116491}}^1$

素因数の和:116608

約数の個数: 16

約数和(自身を含む): 402596352

約数和(自身を除く): 140841075

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 116491, 349473, 815437, 2446311, 12464537, 37393611, 87251759, 261755277]

約数ペア:

[(1, 261755277), (3, 87251759), (7, 37393611), (21, 12464537), (107, 2446311), (321, 815437), (749, 349473), (2247, 116491)]