2008172655

素因数分解:

$3^6\times 5^1\times {\mathrm{550939}}^1$

素因数の和:550962

約数の個数: 28

約数和(自身を含む): 3613064520

約数和(自身を除く): 1604891865

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 550939, 1652817, 2754695, 4958451, 8264085, 14875353, 24792255, 44626059, 74376765, 133878177, 223130295, 401634531, 669390885, 2008172655]

約数ペア:

[(1, 2008172655), (3, 669390885), (5, 401634531), (9, 223130295), (15, 133878177), (27, 74376765), (45, 44626059), (81, 24792255), (135, 14875353), (243, 8264085), (405, 4958451), (729, 2754695), (1215, 1652817), (3645, 550939)]