205820217

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{401209}}^1$

素因数の和:401237

約数の個数: 16

約数和(自身を含む): 320968000

約数和(自身を除く): 115147783

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 401209, 1203627, 3610881, 7622971, 10832643, 22868913, 68606739, 205820217]

約数ペア:

[(1, 205820217), (3, 68606739), (9, 22868913), (19, 10832643), (27, 7622971), (57, 3610881), (171, 1203627), (513, 401209)]