12665709

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8741}}^1$

素因数の和:8777

約数の個数: 24

約数和(自身を含む): 21820032

約数和(自身を除く): 9154323

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 8741, 26223, 61187, 78669, 183561, 201043, 550683, 603129, 1407301, 1809387, 4221903, 12665709]

約数ペア:

[(1, 12665709), (3, 4221903), (7, 1809387), (9, 1407301), (21, 603129), (23, 550683), (63, 201043), (69, 183561), (161, 78669), (207, 61187), (483, 26223), (1449, 8741)]