2068808721

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1387531}}^1$

素因数の和:1387612

約数の個数: 16

約数和(自身を含む): 3196873728

約数和(自身を除く): 1128065007

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1387531, 4162593, 9712717, 29138151, 98514701, 295544103, 689602907, 2068808721]

約数ペア:

[(1, 2068808721), (3, 689602907), (7, 295544103), (21, 98514701), (71, 29138151), (213, 9712717), (497, 4162593), (1491, 1387531)]