12790281

素因数分解:

$3^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{811}}^1$

素因数の和:1572

約数の個数: 16

約数和(自身を含む): 19539968

約数和(自身を除く): 6749687

約数列:

[1, 3, 7, 21, 751, 811, 2253, 2433, 5257, 5677, 15771, 17031, 609061, 1827183, 4263427, 12790281]

約数ペア:

[(1, 12790281), (3, 4263427), (7, 1827183), (21, 609061), (751, 17031), (811, 15771), (2253, 5677), (2433, 5257)]