208528587

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{13339}}^1$

素因数の和:13544

約数の個数: 20

約数和(自身を含む): 313143160

約数和(自身を除く): 104614573

約数列:

[1, 3, 9, 27, 81, 193, 579, 1737, 5211, 13339, 15633, 40017, 120051, 360153, 1080459, 2574427, 7723281, 23169843, 69509529, 208528587]

約数ペア:

[(1, 208528587), (3, 69509529), (9, 23169843), (27, 7723281), (81, 2574427), (193, 1080459), (579, 360153), (1737, 120051), (5211, 40017), (13339, 15633)]