31163211

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{20249}}^1$

素因数の和:20280

約数の個数: 20

約数和(自身を含む): 49005000

約数和(自身を除く): 17841789

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 20249, 60747, 182241, 384731, 546723, 1154193, 1640169, 3462579, 10387737, 31163211]

約数ペア:

[(1, 31163211), (3, 10387737), (9, 3462579), (19, 1640169), (27, 1154193), (57, 546723), (81, 384731), (171, 182241), (513, 60747), (1539, 20249)]