28531875

素因数分解:

$3^1\times 5^4\times {\mathrm{15217}}^1$

素因数の和:15240

約数の個数: 20

約数和(自身を含む): 47541032

約数和(自身を除く): 19009157

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 15217, 45651, 76085, 228255, 380425, 1141275, 1902125, 5706375, 9510625, 28531875]

約数ペア:

[(1, 28531875), (3, 9510625), (5, 5706375), (15, 1902125), (25, 1141275), (75, 380425), (125, 228255), (375, 76085), (625, 45651), (1875, 15217)]