207409713

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{21997}}^1$

素因数の和:22456

約数の個数: 16

約数和(自身を含む): 316771200

約数和(自身を除く): 109361487

約数列:

[1, 3, 7, 21, 449, 1347, 3143, 9429, 21997, 65991, 153979, 461937, 9876653, 29629959, 69136571, 207409713]

約数ペア:

[(1, 207409713), (3, 69136571), (7, 29629959), (21, 9876653), (449, 461937), (1347, 153979), (3143, 65991), (9429, 21997)]