28221165

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89591}}^1$

素因数の和:89609

約数の個数: 24

約数和(自身を含む): 55905408

約数和(自身を除く): 27684243

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 89591, 268773, 447955, 627137, 806319, 1343865, 1881411, 3135685, 4031595, 5644233, 9407055, 28221165]

約数ペア:

[(1, 28221165), (3, 9407055), (5, 5644233), (7, 4031595), (9, 3135685), (15, 1881411), (21, 1343865), (35, 806319), (45, 627137), (63, 447955), (105, 268773), (315, 89591)]