18642177

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{16057}}^1$

素因数の和:16109

約数の個数: 16

約数和(自身を含む): 28262080

約数和(自身を除く): 9619903

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 16057, 48171, 144513, 433539, 690451, 2071353, 6214059, 18642177]

約数ペア:

[(1, 18642177), (3, 6214059), (9, 2071353), (27, 690451), (43, 433539), (129, 144513), (387, 48171), (1161, 16057)]