12972531

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2749}}^1$

素因数の和:2787

約数の個数: 24

約数和(自身を含む): 20482000

約数和(自身を除く): 7509469

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 363, 429, 1573, 2749, 4719, 8247, 30239, 35737, 90717, 107211, 332629, 393107, 997887, 1179321, 4324177, 12972531]

約数ペア:

[(1, 12972531), (3, 4324177), (11, 1179321), (13, 997887), (33, 393107), (39, 332629), (121, 107211), (143, 90717), (363, 35737), (429, 30239), (1573, 8247), (2749, 4719)]