212843277

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{639169}}^1$

素因数の和:639212

約数の個数: 12

約数和(自身を含む): 315749980

約数和(自身を除く): 102906703

約数列:

[1, 3, 9, 37, 111, 333, 639169, 1917507, 5752521, 23649253, 70947759, 212843277]

約数ペア:

[(1, 212843277), (3, 70947759), (9, 23649253), (37, 5752521), (111, 1917507), (333, 639169)]