289755

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 516672

約数和(自身を除く): 226917

約数列:

[1, 3, 5, 9, 15, 45, 47, 137, 141, 235, 411, 423, 685, 705, 1233, 2055, 2115, 6165, 6439, 19317, 32195, 57951, 96585, 289755]

約数ペア:

[(1, 289755), (3, 96585), (5, 57951), (9, 32195), (15, 19317), (45, 6439), (47, 6165), (137, 2115), (141, 2055), (235, 1233), (411, 705), (423, 685)]