1279358613

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643217}}^1$

素因数の和:643253

約数の個数: 24

約数和(自身を含む): 2107182168

約数和(自身を除く): 827823555

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 643217, 1929651, 5788953, 8361821, 10934689, 25085463, 32804067, 75256389, 98412201, 142150957, 426452871, 1279358613]

約数ペア:

[(1, 1279358613), (3, 426452871), (9, 142150957), (13, 98412201), (17, 75256389), (39, 32804067), (51, 25085463), (117, 10934689), (153, 8361821), (221, 5788953), (663, 1929651), (1989, 643217)]