9990393

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1693}}^1$

素因数の和:1984

約数の個数: 16

約数和(自身を含む): 15286656

約数和(自身を除く): 5296263

約数列:

[1, 3, 7, 21, 281, 843, 1693, 1967, 5079, 5901, 11851, 35553, 475733, 1427199, 3330131, 9990393]

約数ペア:

[(1, 9990393), (3, 3330131), (7, 1427199), (21, 475733), (281, 35553), (843, 11851), (1693, 5901), (1967, 5079)]