12389247

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{751}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 20213760

約数和(自身を除く): 7824513

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 751, 1269, 1833, 2253, 5499, 6759, 9763, 16497, 20277, 29289, 35297, 87867, 105891, 263601, 317673, 458861, 953019, 1376583, 4129749, 12389247]

約数ペア:

[(1, 12389247), (3, 4129749), (9, 1376583), (13, 953019), (27, 458861), (39, 317673), (47, 263601), (117, 105891), (141, 87867), (351, 35297), (423, 29289), (611, 20277), (751, 16497), (1269, 9763), (1833, 6759), (2253, 5499)]