31245183

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{1811}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 47488896

約数和(自身を除く): 16243713

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 1811, 1917, 5433, 5751, 16299, 17253, 48897, 128581, 146691, 385743, 440073, 1157229, 3471687, 10415061, 31245183]

約数ペア:

[(1, 31245183), (3, 10415061), (9, 3471687), (27, 1157229), (71, 440073), (81, 385743), (213, 146691), (243, 128581), (639, 48897), (1811, 17253), (1917, 16299), (5433, 5751)]