28091139

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{8353}}^1$

素因数の和:8434

約数の個数: 16

約数和(自身を含む): 40099200

約数和(自身を除く): 12008061

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 8353, 25059, 158707, 476121, 492827, 1478481, 9363713, 28091139]

約数ペア:

[(1, 28091139), (3, 9363713), (19, 1478481), (57, 492827), (59, 476121), (177, 158707), (1121, 25059), (3363, 8353)]