208361307

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{901997}}^1$

素因数の和:902018

約数の個数: 16

約数和(自身を含む): 346367232

約数和(自身を除く): 138005925

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 901997, 2705991, 6313979, 9921967, 18941937, 29765901, 69453769, 208361307]

約数ペア:

[(1, 208361307), (3, 69453769), (7, 29765901), (11, 18941937), (21, 9921967), (33, 6313979), (77, 2705991), (231, 901997)]