2021908557

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{2087}}^1\times {\mathrm{6871}}^1$

素因数の和:9008

約数の個数: 16

約数和(自身を含む): 2754957312

約数和(自身を除く): 733048755

約数列:

[1, 3, 47, 141, 2087, 6261, 6871, 20613, 98089, 294267, 322937, 968811, 14339777, 43019331, 673969519, 2021908557]

約数ペア:

[(1, 2021908557), (3, 673969519), (47, 43019331), (141, 14339777), (2087, 968811), (6261, 322937), (6871, 294267), (20613, 98089)]