2015386317

素因数分解:

$3^2\times 7^2\times {\mathrm{4570037}}^1$

素因数の和:4570057

約数の個数: 18

約数和(自身を含む): 3386398158

約数和(自身を除く): 1371011841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4570037, 13710111, 31990259, 41130333, 95970777, 223931813, 287912331, 671795439, 2015386317]

約数ペア:

[(1, 2015386317), (3, 671795439), (7, 287912331), (9, 223931813), (21, 95970777), (49, 41130333), (63, 31990259), (147, 13710111), (441, 4570037)]