81243

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:88

約数の個数: 20

約数和(自身を含む): 130680

約数和(自身を除く): 49437

約数列:

[1, 3, 9, 17, 27, 51, 59, 81, 153, 177, 459, 531, 1003, 1377, 1593, 3009, 4779, 9027, 27081, 81243]

約数ペア:

[(1, 81243), (3, 27081), (9, 9027), (17, 4779), (27, 3009), (51, 1593), (59, 1377), (81, 1003), (153, 531), (177, 459)]