12777993

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2246

約数の個数: 20

約数和(自身を含む): 19358548

約数和(自身を除く): 6580555

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 2161, 5913, 6483, 19449, 58347, 157753, 175041, 473259, 1419777, 4259331, 12777993]

約数ペア:

[(1, 12777993), (3, 4259331), (9, 1419777), (27, 473259), (73, 175041), (81, 157753), (219, 58347), (657, 19449), (1971, 6483), (2161, 5913)]