15128127

素因数分解:

$3^4\times 7^1\times {\mathrm{26681}}^1$

素因数の和:26700

約数の個数: 20

約数和(自身を含む): 25828176

約数和(自身を除く): 10700049

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 26681, 80043, 186767, 240129, 560301, 720387, 1680903, 2161161, 5042709, 15128127]

約数ペア:

[(1, 15128127), (3, 5042709), (7, 2161161), (9, 1680903), (21, 720387), (27, 560301), (63, 240129), (81, 186767), (189, 80043), (567, 26681)]