2000871243

素因数分解:

$3^2\times 7^2\times {\mathrm{4537123}}^1$

素因数の和:4537143

約数の個数: 18

約数和(自身を含む): 3362008884

約数和(自身を除く): 1361137641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4537123, 13611369, 31759861, 40834107, 95279583, 222319027, 285838749, 666957081, 2000871243]

約数ペア:

[(1, 2000871243), (3, 666957081), (7, 285838749), (9, 222319027), (21, 95279583), (49, 40834107), (63, 31759861), (147, 13611369), (441, 4537123)]