208453365

素因数分解:

$3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{9473}}^1$

素因数の和:9650

約数の個数: 32

約数和(自身を含む): 372896640

約数和(自身を除く): 164443275

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 163, 489, 815, 1467, 2445, 4401, 7335, 9473, 22005, 28419, 47365, 85257, 142095, 255771, 426285, 1278855, 1544099, 4632297, 7720495, 13896891, 23161485, 41690673, 69484455, 208453365]

約数ペア:

[(1, 208453365), (3, 69484455), (5, 41690673), (9, 23161485), (15, 13896891), (27, 7720495), (45, 4632297), (135, 1544099), (163, 1278855), (489, 426285), (815, 255771), (1467, 142095), (2445, 85257), (4401, 47365), (7335, 28419), (9473, 22005)]