28667709

素因数分解:

$3^3\times 7^1\times {\mathrm{151681}}^1$

素因数の和:151697

約数の個数: 16

約数和(自身を含む): 48538240

約数和(自身を除く): 19870531

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 151681, 455043, 1061767, 1365129, 3185301, 4095387, 9555903, 28667709]

約数ペア:

[(1, 28667709), (3, 9555903), (7, 4095387), (9, 3185301), (21, 1365129), (27, 1061767), (63, 455043), (189, 151681)]