12705605

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{21001}}^1$

素因数の和:21028

約数の個数: 12

約数和(自身を含む): 16759596

約数和(自身を除く): 4053991

約数列:

[1, 5, 11, 55, 121, 605, 21001, 105005, 231011, 1155055, 2541121, 12705605]

約数ペア:

[(1, 12705605), (5, 2541121), (11, 1155055), (55, 231011), (121, 105005), (605, 21001)]