28621845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{90863}}^1$

素因数の和:90881

約数の個数: 24

約数和(自身を含む): 56699136

約数和(自身を除く): 28077291

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 90863, 272589, 454315, 636041, 817767, 1362945, 1908123, 3180205, 4088835, 5724369, 9540615, 28621845]

約数ペア:

[(1, 28621845), (3, 9540615), (5, 5724369), (7, 4088835), (9, 3180205), (15, 1908123), (21, 1362945), (35, 817767), (45, 636041), (63, 454315), (105, 272589), (315, 90863)]