209018421

素因数分解:

$3^3\times {\mathrm{193}}^1\times {\mathrm{40111}}^1$

素因数の和:40313

約数の個数: 16

約数和(自身を含む): 311269120

約数和(自身を除く): 102250699

約数列:

[1, 3, 9, 27, 193, 579, 1737, 5211, 40111, 120333, 360999, 1082997, 7741423, 23224269, 69672807, 209018421]

約数ペア:

[(1, 209018421), (3, 69672807), (9, 23224269), (27, 7741423), (193, 1082997), (579, 360999), (1737, 120333), (5211, 40111)]