55487997

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{2161}}^1$

素因数の和:2490

約数の個数: 20

約数和(自身を含む): 83189436

約数和(自身を除く): 27701439

約数列:

[1, 3, 9, 27, 81, 317, 951, 2161, 2853, 6483, 8559, 19449, 25677, 58347, 175041, 685037, 2055111, 6165333, 18495999, 55487997]

約数ペア:

[(1, 55487997), (3, 18495999), (9, 6165333), (27, 2055111), (81, 685037), (317, 175041), (951, 58347), (2161, 25677), (2853, 19449), (6483, 8559)]