28391571

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1069}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 44400720

約数和(自身を除く): 16009149

約数列:

[1, 3, 9, 13, 39, 117, 227, 681, 1069, 2043, 2951, 3207, 8853, 9621, 13897, 26559, 41691, 125073, 242663, 727989, 2183967, 3154619, 9463857, 28391571]

約数ペア:

[(1, 28391571), (3, 9463857), (9, 3154619), (13, 2183967), (39, 727989), (117, 242663), (227, 125073), (681, 41691), (1069, 26559), (2043, 13897), (2951, 9621), (3207, 8853)]