28711275

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9337}}^1$

素因数の和:9391

約数の個数: 24

約数和(自身を含む): 48632304

約数和(自身を除く): 19921029

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 9337, 28011, 46685, 140055, 233425, 382817, 700275, 1148451, 1914085, 5742255, 9570425, 28711275]

約数ペア:

[(1, 28711275), (3, 9570425), (5, 5742255), (15, 1914085), (25, 1148451), (41, 700275), (75, 382817), (123, 233425), (205, 140055), (615, 46685), (1025, 28011), (3075, 9337)]