215543999

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{10211}}^1$

素因数の和:10342

約数の個数: 16

約数和(自身を含む): 249989760

約数和(自身を除く): 34445761

約数列:

[1, 11, 19, 101, 209, 1111, 1919, 10211, 21109, 112321, 194009, 1031311, 2134099, 11344421, 19594909, 215543999]

約数ペア:

[(1, 215543999), (11, 19594909), (19, 11344421), (101, 2134099), (209, 1031311), (1111, 194009), (1919, 112321), (10211, 21109)]