28142175

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{3643}}^1$

素因数の和:3759

約数の個数: 24

約数和(自身を含む): 46993024

約数和(自身を除く): 18850849

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2575, 3643, 7725, 10929, 18215, 54645, 91075, 273225, 375229, 1125687, 1876145, 5628435, 9380725, 28142175]

約数ペア:

[(1, 28142175), (3, 9380725), (5, 5628435), (15, 1876145), (25, 1125687), (75, 375229), (103, 273225), (309, 91075), (515, 54645), (1545, 18215), (2575, 10929), (3643, 7725)]