387945

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 693576

約数和(自身を除く): 305631

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 233, 333, 555, 699, 1165, 1665, 2097, 3495, 8621, 10485, 25863, 43105, 77589, 129315, 387945]

約数ペア:

[(1, 387945), (3, 129315), (5, 77589), (9, 43105), (15, 25863), (37, 10485), (45, 8621), (111, 3495), (185, 2097), (233, 1665), (333, 1165), (555, 699)]