214935945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{3929}}^1$

素因数の和:4465

約数の個数: 32

約数和(自身を含む): 393880320

約数和(自身を除く): 178944375

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 521, 1563, 2605, 3647, 3929, 7815, 10941, 11787, 18235, 19645, 27503, 54705, 58935, 82509, 137515, 412545, 2047009, 6141027, 10235045, 14329063, 30705135, 42987189, 71645315, 214935945]

約数ペア:

[(1, 214935945), (3, 71645315), (5, 42987189), (7, 30705135), (15, 14329063), (21, 10235045), (35, 6141027), (105, 2047009), (521, 412545), (1563, 137515), (2605, 82509), (3647, 58935), (3929, 54705), (7815, 27503), (10941, 19645), (11787, 18235)]