257479263

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{15161}}^1$

素因数の和:15224

約数の個数: 32

約数和(自身を含む): 414832320

約数和(自身を除く): 157353057

約数列:

[1, 3, 9, 17, 27, 37, 51, 111, 153, 333, 459, 629, 999, 1887, 5661, 15161, 16983, 45483, 136449, 257737, 409347, 560957, 773211, 1682871, 2319633, 5048613, 6958899, 9536269, 15145839, 28608807, 85826421, 257479263]

約数ペア:

[(1, 257479263), (3, 85826421), (9, 28608807), (17, 15145839), (27, 9536269), (37, 6958899), (51, 5048613), (111, 2319633), (153, 1682871), (333, 773211), (459, 560957), (629, 409347), (999, 257737), (1887, 136449), (5661, 45483), (15161, 16983)]