204820569

素因数分解:

$3^6\times {\mathrm{191}}^1\times {\mathrm{1471}}^1$

素因数の和:1680

約数の個数: 28

約数和(自身を含む): 308908032

約数和(自身を除く): 104087463

約数列:

[1, 3, 9, 27, 81, 191, 243, 573, 729, 1471, 1719, 4413, 5157, 13239, 15471, 39717, 46413, 119151, 139239, 280961, 357453, 842883, 1072359, 2528649, 7585947, 22757841, 68273523, 204820569]

約数ペア:

[(1, 204820569), (3, 68273523), (9, 22757841), (27, 7585947), (81, 2528649), (191, 1072359), (243, 842883), (573, 357453), (729, 280961), (1471, 139239), (1719, 119151), (4413, 46413), (5157, 39717), (13239, 15471)]