205990125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{49937}}^1$

素因数の和:49966

約数の個数: 32

約数和(自身を含む): 373935744

約数和(自身を除く): 167945619

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 49937, 149811, 249685, 549307, 749055, 1248425, 1647921, 2746535, 3745275, 6242125, 8239605, 13732675, 18726375, 41198025, 68663375, 205990125]

約数ペア:

[(1, 205990125), (3, 68663375), (5, 41198025), (11, 18726375), (15, 13732675), (25, 8239605), (33, 6242125), (55, 3745275), (75, 2746535), (125, 1647921), (165, 1248425), (275, 749055), (375, 549307), (825, 249685), (1375, 149811), (4125, 49937)]