64878687

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{911}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 96602688

約数和(自身を除く): 31724001

約数列:

[1, 3, 9, 41, 123, 193, 369, 579, 911, 1737, 2733, 7913, 8199, 23739, 37351, 71217, 112053, 175823, 336159, 527469, 1582407, 7208743, 21626229, 64878687]

約数ペア:

[(1, 64878687), (3, 21626229), (9, 7208743), (41, 1582407), (123, 527469), (193, 336159), (369, 175823), (579, 112053), (911, 71217), (1737, 37351), (2733, 23739), (7913, 8199)]