28542975

素因数分解:

$3^1\times 5^2\times {\mathrm{431}}^1\times {\mathrm{883}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 47354112

約数和(自身を除く): 18811137

約数列:

[1, 3, 5, 15, 25, 75, 431, 883, 1293, 2155, 2649, 4415, 6465, 10775, 13245, 22075, 32325, 66225, 380573, 1141719, 1902865, 5708595, 9514325, 28542975]

約数ペア:

[(1, 28542975), (3, 9514325), (5, 5708595), (15, 1902865), (25, 1141719), (75, 380573), (431, 66225), (883, 32325), (1293, 22075), (2155, 13245), (2649, 10775), (4415, 6465)]