201670821

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{185189}}^1$

素因数の和:185217

約数の個数: 18

約数和(自身を含む): 320193510

約数和(自身を除く): 118522689

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 185189, 555567, 1666701, 2037079, 6111237, 18333711, 22407869, 67223607, 201670821]

約数ペア:

[(1, 201670821), (3, 67223607), (9, 22407869), (11, 18333711), (33, 6111237), (99, 2037079), (121, 1666701), (363, 555567), (1089, 185189)]