86886999

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{18181}}^1$

素因数の和:18252

約数の個数: 20

約数和(自身を含む): 132001320

約数和(自身を除く): 45114321

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 18181, 54543, 163629, 490887, 1072679, 1472661, 3218037, 9654111, 28962333, 86886999]

約数ペア:

[(1, 86886999), (3, 28962333), (9, 9654111), (27, 3218037), (59, 1472661), (81, 1072679), (177, 490887), (531, 163629), (1593, 54543), (4779, 18181)]