208099773

素因数分解:

$3^4\times 7^1\times {\mathrm{367019}}^1$

素因数の和:367038

約数の個数: 20

約数和(自身を含む): 355275360

約数和(自身を除く): 147175587

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 367019, 1101057, 2569133, 3303171, 7707399, 9909513, 23122197, 29728539, 69366591, 208099773]

約数ペア:

[(1, 208099773), (3, 69366591), (7, 29728539), (9, 23122197), (21, 9909513), (27, 7707399), (63, 3303171), (81, 2569133), (189, 1101057), (567, 367019)]