215568993

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1609}}^1$

素因数の和:1737

約数の個数: 32

約数和(自身を含む): 317157120

約数和(自身を除く): 101588127

約数列:

[1, 3, 17, 37, 51, 71, 111, 213, 629, 1207, 1609, 1887, 2627, 3621, 4827, 7881, 27353, 44659, 59533, 82059, 114239, 133977, 178599, 342717, 1012061, 1942063, 3036183, 4226843, 5826189, 12680529, 71856331, 215568993]

約数ペア:

[(1, 215568993), (3, 71856331), (17, 12680529), (37, 5826189), (51, 4226843), (71, 3036183), (111, 1942063), (213, 1012061), (629, 342717), (1207, 178599), (1609, 133977), (1887, 114239), (2627, 82059), (3621, 59533), (4827, 44659), (7881, 27353)]