81782319

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{20089}}^1$

素因数の和:20174

約数の個数: 16

約数和(自身を含む): 115718400

約数和(自身を除く): 33936081

約数列:

[1, 3, 23, 59, 69, 177, 1357, 4071, 20089, 60267, 462047, 1185251, 1386141, 3555753, 27260773, 81782319]

約数ペア:

[(1, 81782319), (3, 27260773), (23, 3555753), (59, 1386141), (69, 1185251), (177, 462047), (1357, 60267), (4071, 20089)]