208549089

素因数分解:

$3^2\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{2411}}^1$

素因数の和:3797

約数の個数: 24

約数和(自身を含む): 344665152

約数和(自身を除く): 136116063

約数列:

[1, 3, 7, 9, 21, 63, 1373, 2411, 4119, 7233, 9611, 12357, 16877, 21699, 28833, 50631, 86499, 151893, 3310303, 9930909, 23172121, 29792727, 69516363, 208549089]

約数ペア:

[(1, 208549089), (3, 69516363), (7, 29792727), (9, 23172121), (21, 9930909), (63, 3310303), (1373, 151893), (2411, 86499), (4119, 50631), (7233, 28833), (9611, 21699), (12357, 16877)]