221489415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{703141}}^1$

素因数の和:703159

約数の個数: 24

約数和(自身を含む): 438760608

約数和(自身を除く): 217271193

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 703141, 2109423, 3515705, 4921987, 6328269, 10547115, 14765961, 24609935, 31641345, 44297883, 73829805, 221489415]

約数ペア:

[(1, 221489415), (3, 73829805), (5, 44297883), (7, 31641345), (9, 24609935), (15, 14765961), (21, 10547115), (35, 6328269), (45, 4921987), (63, 3515705), (105, 2109423), (315, 703141)]