9871301.00000000

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{15161}}^1$

素因数の和:15244

約数の個数: 20

約数和(自身を含む): 132091344

約数和(自身を除く): 44900433

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 15161, 45483, 136449, 409347, 1076431, 1228041, 3229293, 9687879, 29063637, 87190911]

約数ペア:

[(1, 87190911), (3, 29063637), (9, 9687879), (27, 3229293), (71, 1228041), (81, 1076431), (213, 409347), (639, 136449), (1917, 45483), (5751, 15161)]