206779671

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{16661}}^1$

素因数の和:16871

約数の個数: 24

約数和(自身を含む): 343103904

約数和(自身を除く): 136324233

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 4137, 12411, 16661, 49983, 116627, 149949, 349881, 1049643, 3282217, 9846651, 22975519, 29539953, 68926557, 206779671]

約数ペア:

[(1, 206779671), (3, 68926557), (7, 29539953), (9, 22975519), (21, 9846651), (63, 3282217), (197, 1049643), (591, 349881), (1379, 149949), (1773, 116627), (4137, 49983), (12411, 16661)]