15115491

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{1031}}^1$

素因数の和:1224

約数の個数: 20

約数和(自身を含む): 22726704

約数和(自身を除く): 7611213

約数列:

[1, 3, 9, 27, 81, 181, 543, 1031, 1629, 3093, 4887, 9279, 14661, 27837, 83511, 186611, 559833, 1679499, 5038497, 15115491]

約数ペア:

[(1, 15115491), (3, 5038497), (9, 1679499), (27, 559833), (81, 186611), (181, 83511), (543, 27837), (1031, 14661), (1629, 9279), (3093, 4887)]