209712303

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{24247}}^1$

素因数の和:24315

約数の個数: 18

約数和(自身を含む): 313017432

約数和(自身を除く): 103305129

約数列:

[1, 3, 9, 31, 93, 279, 961, 2883, 8649, 24247, 72741, 218223, 751657, 2254971, 6764913, 23301367, 69904101, 209712303]

約数ペア:

[(1, 209712303), (3, 69904101), (9, 23301367), (31, 6764913), (93, 2254971), (279, 751657), (961, 218223), (2883, 72741), (8649, 24247)]