12499263

素因数分解:

$3^2\times 7^3\times {\mathrm{4049}}^1$

素因数の和:4076

約数の個数: 24

約数和(自身を含む): 21060000

約数和(自身を除く): 8560737

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 4049, 12147, 28343, 36441, 85029, 198401, 255087, 595203, 1388807, 1785609, 4166421, 12499263]

約数ペア:

[(1, 12499263), (3, 4166421), (7, 1785609), (9, 1388807), (21, 595203), (49, 255087), (63, 198401), (147, 85029), (343, 36441), (441, 28343), (1029, 12147), (3087, 4049)]