12729519

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1811}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 20352384

約数和(自身を除く): 7622865

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 1811, 2343, 5433, 7029, 16299, 19921, 59763, 128581, 179289, 385743, 1157229, 1414391, 4243173, 12729519]

約数ペア:

[(1, 12729519), (3, 4243173), (9, 1414391), (11, 1157229), (33, 385743), (71, 179289), (99, 128581), (213, 59763), (639, 19921), (781, 16299), (1811, 7029), (2343, 5433)]