213967005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{2803}}^1$

素因数の和:3545

約数の個数: 32

約数和(自身を含む): 391931904

約数和(自身を除く): 177964899

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 727, 2181, 2803, 3635, 5089, 8409, 10905, 14015, 15267, 19621, 25445, 42045, 58863, 76335, 98105, 294315, 2037781, 6113343, 10188905, 14264467, 30566715, 42793401, 71322335, 213967005]

約数ペア:

[(1, 213967005), (3, 71322335), (5, 42793401), (7, 30566715), (15, 14264467), (21, 10188905), (35, 6113343), (105, 2037781), (727, 294315), (2181, 98105), (2803, 76335), (3635, 58863), (5089, 42045), (8409, 25445), (10905, 19621), (14015, 15267)]