15318639

素因数分解:

$3^4\times 7^1\times {\mathrm{27017}}^1$

素因数の和:27036

約数の個数: 20

約数和(自身を含む): 26153424

約数和(自身を除く): 10834785

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27017, 81051, 189119, 243153, 567357, 729459, 1702071, 2188377, 5106213, 15318639]

約数ペア:

[(1, 15318639), (3, 5106213), (7, 2188377), (9, 1702071), (21, 729459), (27, 567357), (63, 243153), (81, 189119), (189, 81051), (567, 27017)]