18183591

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{6991}}^1$

素因数の和:7031

約数の個数: 18

約数和(自身を含む): 27905072

約数和(自身を除く): 9721481

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 6991, 20973, 62919, 118847, 356541, 1069623, 2020399, 6061197, 18183591]

約数ペア:

[(1, 18183591), (3, 6061197), (9, 2020399), (17, 1069623), (51, 356541), (153, 118847), (289, 62919), (867, 20973), (2601, 6991)]