81660393

素因数分解:

$3^7\times {\mathrm{37339}}^1$

素因数の和:37360

約数の個数: 16

約数和(自身を含む): 122475200

約数和(自身を除く): 40814807

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 37339, 112017, 336051, 1008153, 3024459, 9073377, 27220131, 81660393]

約数ペア:

[(1, 81660393), (3, 27220131), (9, 9073377), (27, 3024459), (81, 1008153), (243, 336051), (729, 112017), (2187, 37339)]