28280385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89779}}^1$

素因数の和:89797

約数の個数: 24

約数和(自身を含む): 56022720

約数和(自身を除く): 27742335

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 89779, 269337, 448895, 628453, 808011, 1346685, 1885359, 3142265, 4040055, 5656077, 9426795, 28280385]

約数ペア:

[(1, 28280385), (3, 9426795), (5, 5656077), (7, 4040055), (9, 3142265), (15, 1885359), (21, 1346685), (35, 808011), (45, 628453), (63, 448895), (105, 269337), (315, 89779)]