28178019

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 41614560

約数和(自身を除く): 13436541

約数列:

[1, 3, 9, 103, 113, 269, 309, 339, 807, 927, 1017, 2421, 11639, 27707, 30397, 34917, 83121, 91191, 104751, 249363, 273573, 3130891, 9392673, 28178019]

約数ペア:

[(1, 28178019), (3, 9392673), (9, 3130891), (103, 273573), (113, 249363), (269, 104751), (309, 91191), (339, 83121), (807, 34917), (927, 30397), (1017, 27707), (2421, 11639)]