205254891

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{677}}^1$

素因数の和:905

約数の個数: 40

約数和(自身を含む): 324870480

約数和(自身を除く): 119615589

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 197, 513, 591, 677, 1539, 1773, 2031, 3743, 5319, 6093, 11229, 12863, 15957, 18279, 33687, 38589, 54837, 101061, 115767, 133369, 303183, 347301, 400107, 1041903, 1200321, 2534011, 3600963, 7602033, 10802889, 22806099, 68418297, 205254891]

約数ペア:

[(1, 205254891), (3, 68418297), (9, 22806099), (19, 10802889), (27, 7602033), (57, 3600963), (81, 2534011), (171, 1200321), (197, 1041903), (513, 400107), (591, 347301), (677, 303183), (1539, 133369), (1773, 115767), (2031, 101061), (3743, 54837), (5319, 38589), (6093, 33687), (11229, 18279), (12863, 15957)]