12720027

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 17326080

約数和(自身を除く): 4606053

約数列:

[1, 3, 79, 191, 237, 281, 573, 843, 15089, 22199, 45267, 53671, 66597, 161013, 4240009, 12720027]

約数ペア:

[(1, 12720027), (3, 4240009), (79, 161013), (191, 66597), (237, 53671), (281, 45267), (573, 22199), (843, 15089)]