28370625

素因数分解:

$3^1\times 5^4\times {\mathrm{15131}}^1$

素因数の和:15154

約数の個数: 20

約数和(自身を含む): 47272368

約数和(自身を除く): 18901743

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 15131, 45393, 75655, 226965, 378275, 1134825, 1891375, 5674125, 9456875, 28370625]

約数ペア:

[(1, 28370625), (3, 9456875), (5, 5674125), (15, 1891375), (25, 1134825), (75, 378275), (125, 226965), (375, 75655), (625, 45393), (1875, 15131)]