81972277

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 87293952

約数和(自身を除く): 5321675

約数列:

[1, 31, 47, 127, 443, 1457, 3937, 5969, 13733, 20821, 56261, 185039, 645451, 1744091, 2644267, 81972277]

約数ペア:

[(1, 81972277), (31, 2644267), (47, 1744091), (127, 645451), (443, 185039), (1457, 56261), (3937, 20821), (5969, 13733)]