259485147

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{505819}}^1$

素因数の和:505847

約数の個数: 16

約数和(自身を含む): 404656000

約数和(自身を除く): 145170853

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 505819, 1517457, 4552371, 9610561, 13657113, 28831683, 86495049, 259485147]

約数ペア:

[(1, 259485147), (3, 86495049), (9, 28831683), (19, 13657113), (27, 9610561), (57, 4552371), (171, 1517457), (513, 505819)]