28982421

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{82571}}^1$

素因数の和:82593

約数の個数: 16

約数和(自身を含む): 46240320

約数和(自身を除く): 17257899

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 82571, 247713, 743139, 1073423, 2229417, 3220269, 9660807, 28982421]

約数ペア:

[(1, 28982421), (3, 9660807), (9, 3220269), (13, 2229417), (27, 1073423), (39, 743139), (117, 247713), (351, 82571)]