1915511121

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{1553537}}^1$

素因数の和:1553680

約数の個数: 12

約数和(自身を含む): 2787047172

約数和(自身を除く): 871536051

約数列:

[1, 3, 9, 137, 411, 1233, 1553537, 4660611, 13981833, 212834569, 638503707, 1915511121]

約数ペア:

[(1, 1915511121), (3, 638503707), (9, 212834569), (137, 13981833), (411, 4660611), (1233, 1553537)]