12838257

素因数分解:

$3^4\times {\mathrm{353}}^1\times {\mathrm{449}}^1$

素因数の和:814

約数の個数: 20

約数和(自身を含む): 19275300

約数和(自身を除く): 6437043

約数列:

[1, 3, 9, 27, 81, 353, 449, 1059, 1347, 3177, 4041, 9531, 12123, 28593, 36369, 158497, 475491, 1426473, 4279419, 12838257]

約数ペア:

[(1, 12838257), (3, 4279419), (9, 1426473), (27, 475491), (81, 158497), (353, 36369), (449, 28593), (1059, 12123), (1347, 9531), (3177, 4041)]