208060509

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{4349}}^1$

素因数の和:4820

約数の個数: 16

約数和(自身を含む): 285638400

約数和(自身を除く): 77577891

約数列:

[1, 3, 37, 111, 431, 1293, 4349, 13047, 15947, 47841, 160913, 482739, 1874419, 5623257, 69353503, 208060509]

約数ペア:

[(1, 208060509), (3, 69353503), (37, 5623257), (111, 1874419), (431, 482739), (1293, 160913), (4349, 47841), (13047, 15947)]