156660885

素因数分解:

$3^5\times 5^1\times {\mathrm{128939}}^1$

素因数の和:128959

約数の個数: 24

約数和(自身を含む): 281604960

約数和(自身を除く): 124944075

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 128939, 386817, 644695, 1160451, 1934085, 3481353, 5802255, 10444059, 17406765, 31332177, 52220295, 156660885]

約数ペア:

[(1, 156660885), (3, 52220295), (5, 31332177), (9, 17406765), (15, 10444059), (27, 5802255), (45, 3481353), (81, 1934085), (135, 1160451), (243, 644695), (405, 386817), (1215, 128939)]