18215307

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{61331}}^1$

素因数の和:61351

約数の個数: 16

約数和(自身を含む): 29439360

約数和(自身を除く): 11224053

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 61331, 183993, 551979, 674641, 1655937, 2023923, 6071769, 18215307]

約数ペア:

[(1, 18215307), (3, 6071769), (9, 2023923), (11, 1655937), (27, 674641), (33, 551979), (99, 183993), (297, 61331)]