668901897

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{47129}}^1$

素因数の和:47237

約数の個数: 24

約数和(自身を含む): 1029319200

約数和(自身を除く): 360417303

約数列:

[1, 3, 9, 19, 57, 83, 171, 249, 747, 1577, 4731, 14193, 47129, 141387, 424161, 895451, 2686353, 3911707, 8059059, 11735121, 35205363, 74322433, 222967299, 668901897]

約数ペア:

[(1, 668901897), (3, 222967299), (9, 74322433), (19, 35205363), (57, 11735121), (83, 8059059), (171, 3911707), (249, 2686353), (747, 895451), (1577, 424161), (4731, 141387), (14193, 47129)]