28390125

素因数分解:

$3^1\times 5^3\times {\mathrm{75707}}^1$

素因数の和:75725

約数の個数: 16

約数和(自身を含む): 47241792

約数和(自身を除く): 18851667

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 75707, 227121, 378535, 1135605, 1892675, 5678025, 9463375, 28390125]

約数ペア:

[(1, 28390125), (3, 9463375), (5, 5678025), (15, 1892675), (25, 1135605), (75, 378535), (125, 227121), (375, 75707)]