19770993

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{66569}}^1$

素因数の和:66589

約数の個数: 16

約数和(自身を含む): 31953600

約数和(自身を除く): 12182607

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 66569, 199707, 599121, 732259, 1797363, 2196777, 6590331, 19770993]

約数ペア:

[(1, 19770993), (3, 6590331), (9, 2196777), (11, 1797363), (27, 732259), (33, 599121), (99, 199707), (297, 66569)]