27069021

素因数分解:

$3^2\times 7^2\times {\mathrm{61381}}^1$

素因数の和:61401

約数の個数: 18

約数和(自身を含む): 45484062

約数和(自身を除く): 18415041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 61381, 184143, 429667, 552429, 1289001, 3007669, 3867003, 9023007, 27069021]

約数ペア:

[(1, 27069021), (3, 9023007), (7, 3867003), (9, 3007669), (21, 1289001), (49, 552429), (63, 429667), (147, 184143), (441, 61381)]