2171125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{1579}}^1$

素因数の和:1605

約数の個数: 16

約数和(自身を含む): 2957760

約数和(自身を除く): 786635

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 1579, 7895, 17369, 39475, 86845, 197375, 434225, 2171125]

約数ペア:

[(1, 2171125), (5, 434225), (11, 197375), (25, 86845), (55, 39475), (125, 17369), (275, 7895), (1375, 1579)]