11890071

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{811}}^1$

素因数の和:1004

約数の個数: 20

約数和(自身を含む): 17881864

約数和(自身を除く): 5991793

約数列:

[1, 3, 9, 27, 81, 181, 543, 811, 1629, 2433, 4887, 7299, 14661, 21897, 65691, 146791, 440373, 1321119, 3963357, 11890071]

約数ペア:

[(1, 11890071), (3, 3963357), (9, 1321119), (27, 440373), (81, 146791), (181, 65691), (543, 21897), (811, 14661), (1629, 7299), (2433, 4887)]