720388737

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{911}}^1\times {\mathrm{2143}}^1$

素因数の和:3101

約数の個数: 24

約数和(自身を含む): 1067609088

約数和(自身を除く): 347220351

約数列:

[1, 3, 9, 41, 123, 369, 911, 2143, 2733, 6429, 8199, 19287, 37351, 87863, 112053, 263589, 336159, 790767, 1952273, 5856819, 17570457, 80043193, 240129579, 720388737]

約数ペア:

[(1, 720388737), (3, 240129579), (9, 80043193), (41, 17570457), (123, 5856819), (369, 1952273), (911, 790767), (2143, 336159), (2733, 263589), (6429, 112053), (8199, 87863), (19287, 37351)]