2721125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{1979}}^1$

素因数の和:2005

約数の個数: 16

約数和(自身を含む): 3706560

約数和(自身を除く): 985435

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 1979, 9895, 21769, 49475, 108845, 247375, 544225, 2721125]

約数ペア:

[(1, 2721125), (5, 544225), (11, 247375), (25, 108845), (55, 49475), (125, 21769), (275, 9895), (1375, 1979)]