204886521

素因数分解:

$3^2\times 7^1\times {\mathrm{829}}^1\times {\mathrm{3923}}^1$

素因数の和:4765

約数の個数: 24

約数和(自身を含む): 338719680

約数和(自身を除く): 133833159

約数列:

[1, 3, 7, 9, 21, 63, 829, 2487, 3923, 5803, 7461, 11769, 17409, 27461, 35307, 52227, 82383, 247149, 3252167, 9756501, 22765169, 29269503, 68295507, 204886521]

約数ペア:

[(1, 204886521), (3, 68295507), (7, 29269503), (9, 22765169), (21, 9756501), (63, 3252167), (829, 247149), (2487, 82383), (3923, 52227), (5803, 35307), (7461, 27461), (11769, 17409)]