81293031

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{177109}}^1$

素因数の和:177135

約数の個数: 16

約数和(自身を含む): 127519200

約数和(自身を除く): 46226169

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 177109, 531327, 1593981, 3010853, 4781943, 9032559, 27097677, 81293031]

約数ペア:

[(1, 81293031), (3, 27097677), (9, 9032559), (17, 4781943), (27, 3010853), (51, 1593981), (153, 531327), (459, 177109)]