215432899

素因数分解:

${\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{919}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 238728960

約数和(自身を除く): 23296061

約数列:

[1, 11, 101, 211, 919, 1111, 2321, 10109, 21311, 92819, 193909, 234421, 1021009, 2132999, 19584809, 215432899]

約数ペア:

[(1, 215432899), (11, 19584809), (101, 2132999), (211, 1021009), (919, 234421), (1111, 193909), (2321, 92819), (10109, 21311)]