257607399

素因数分解:

$3^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{14621}}^1$

素因数の和:15470

約数の個数: 16

約数和(自身を含む): 393039360

約数和(自身を除く): 135431961

約数列:

[1, 3, 7, 21, 839, 2517, 5873, 14621, 17619, 43863, 102347, 307041, 12267019, 36801057, 85869133, 257607399]

約数ペア:

[(1, 257607399), (3, 85869133), (7, 36801057), (21, 12267019), (839, 307041), (2517, 102347), (5873, 43863), (14621, 17619)]