208081197

素因数分解:

$3^3\times {\mathrm{431}}^1\times {\mathrm{17881}}^1$

素因数の和:18321

約数の個数: 16

約数和(自身を含む): 309000960

約数和(自身を除く): 100919763

約数列:

[1, 3, 9, 27, 431, 1293, 3879, 11637, 17881, 53643, 160929, 482787, 7706711, 23120133, 69360399, 208081197]

約数ペア:

[(1, 208081197), (3, 69360399), (9, 23120133), (27, 7706711), (431, 482787), (1293, 160929), (3879, 53643), (11637, 17881)]