123126787

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{1103}}^1$

素因数の和:1578

約数の個数: 16

約数和(自身を含む): 144986112

約数和(自身を除く): 21859325

約数列:

[1, 7, 37, 259, 431, 1103, 3017, 7721, 15947, 40811, 111629, 285677, 475393, 3327751, 17589541, 123126787]

約数ペア:

[(1, 123126787), (7, 17589541), (37, 3327751), (259, 475393), (431, 285677), (1103, 111629), (3017, 40811), (7721, 15947)]