28863009

素因数分解:

$3^2\times 7^2\times {\mathrm{65449}}^1$

素因数の和:65469

約数の個数: 18

約数和(自身を含む): 48498450

約数和(自身を除く): 19635441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 65449, 196347, 458143, 589041, 1374429, 3207001, 4123287, 9621003, 28863009]

約数ペア:

[(1, 28863009), (3, 9621003), (7, 4123287), (9, 3207001), (21, 1374429), (49, 589041), (63, 458143), (147, 196347), (441, 65449)]