28416531

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{66239}}^1$

素因数の和:66266

約数の個数: 16

約数和(自身を含む): 44513280

約数和(自身を除く): 16096749

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 66239, 198717, 728629, 861107, 2185887, 2583321, 9472177, 28416531]

約数ペア:

[(1, 28416531), (3, 9472177), (11, 2583321), (13, 2185887), (33, 861107), (39, 728629), (143, 198717), (429, 66239)]