81867279

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{757}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 122250240

約数和(自身を除く): 40382961

約数列:

[1, 3, 13, 39, 47, 59, 141, 177, 611, 757, 767, 1833, 2271, 2301, 2773, 8319, 9841, 29523, 35579, 36049, 44663, 106737, 108147, 133989, 462527, 580619, 1387581, 1741857, 2099161, 6297483, 27289093, 81867279]

約数ペア:

[(1, 81867279), (3, 27289093), (13, 6297483), (39, 2099161), (47, 1741857), (59, 1387581), (141, 580619), (177, 462527), (611, 133989), (757, 108147), (767, 106737), (1833, 44663), (2271, 36049), (2301, 35579), (2773, 29523), (8319, 9841)]