87705909

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{3527}}^1$

素因数の和:3846

約数の個数: 20

約数和(自身を含む): 131481504

約数和(自身を除く): 43775595

約数列:

[1, 3, 9, 27, 81, 307, 921, 2763, 3527, 8289, 10581, 24867, 31743, 95229, 285687, 1082789, 3248367, 9745101, 29235303, 87705909]

約数ペア:

[(1, 87705909), (3, 29235303), (9, 9745101), (27, 3248367), (81, 1082789), (307, 285687), (921, 95229), (2763, 31743), (3527, 24867), (8289, 10581)]