28293615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89821}}^1$

素因数の和:89839

約数の個数: 24

約数和(自身を含む): 56048928

約数和(自身を除く): 27755313

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 89821, 269463, 449105, 628747, 808389, 1347315, 1886241, 3143735, 4041945, 5658723, 9431205, 28293615]

約数ペア:

[(1, 28293615), (3, 9431205), (5, 5658723), (7, 4041945), (9, 3143735), (15, 1886241), (21, 1347315), (35, 808389), (45, 628747), (63, 449105), (105, 269463), (315, 89821)]