199774617

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{19141}}^1$

素因数の和:19229

約数の個数: 24

約数和(自身を含む): 314235072

約数和(自身を除く): 114460455

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 19141, 57423, 133987, 401961, 937909, 1359011, 2813727, 4077033, 9513077, 28539231, 66591539, 199774617]

約数ペア:

[(1, 199774617), (3, 66591539), (7, 28539231), (21, 9513077), (49, 4077033), (71, 2813727), (147, 1359011), (213, 937909), (497, 401961), (1491, 133987), (3479, 57423), (10437, 19141)]