206779797

素因数分解:

$3^4\times 7^1\times {\mathrm{364691}}^1$

素因数の和:364710

約数の個数: 20

約数和(自身を含む): 353021856

約数和(自身を除く): 146242059

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 364691, 1094073, 2552837, 3282219, 7658511, 9846657, 22975533, 29539971, 68926599, 206779797]

約数ペア:

[(1, 206779797), (3, 68926599), (7, 29539971), (9, 22975533), (21, 9846657), (27, 7658511), (63, 3282219), (81, 2552837), (189, 1094073), (567, 364691)]