1288375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{937}}^1$

素因数の和:963

約数の個数: 16

約数和(自身を含む): 1755936

約数和(自身を除く): 467561

約数列:

[1, 5, 11, 25, 55, 125, 275, 937, 1375, 4685, 10307, 23425, 51535, 117125, 257675, 1288375]

約数ペア:

[(1, 1288375), (5, 257675), (11, 117125), (25, 51535), (55, 23425), (125, 10307), (275, 4685), (937, 1375)]