12705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2$

素因数の和:37

約数の個数: 24

約数和(自身を含む): 25536

約数和(自身を除く): 12831

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1815, 2541, 4235, 12705]

約数ペア:

[(1, 12705), (3, 4235), (5, 2541), (7, 1815), (11, 1155), (15, 847), (21, 605), (33, 385), (35, 363), (55, 231), (77, 165), (105, 121)]