81865869

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{20021}}^1$

素因数の和:20100

約数の個数: 16

約数和(自身を含む): 115326720

約数和(自身を除く): 33460851

約数列:

[1, 3, 29, 47, 87, 141, 1363, 4089, 20021, 60063, 580609, 940987, 1741827, 2822961, 27288623, 81865869]

約数ペア:

[(1, 81865869), (3, 27288623), (29, 2822961), (47, 1741827), (87, 940987), (141, 580609), (1363, 60063), (4089, 20021)]