28644375

素因数分解:

$3^1\times 5^4\times {\mathrm{15277}}^1$

素因数の和:15300

約数の個数: 20

約数和(自身を含む): 47728472

約数和(自身を除く): 19084097

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 15277, 45831, 76385, 229155, 381925, 1145775, 1909625, 5728875, 9548125, 28644375]

約数ペア:

[(1, 28644375), (3, 9548125), (5, 5728875), (15, 1909625), (25, 1145775), (75, 381925), (125, 229155), (375, 76385), (625, 45831), (1875, 15277)]