87814587

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 137313792

約数和(自身を除く): 49499205

約数列:

[1, 3, 7, 21, 53, 159, 257, 307, 371, 771, 921, 1113, 1799, 2149, 5397, 6447, 13621, 16271, 40863, 48813, 78899, 95347, 113897, 236697, 286041, 341691, 552293, 1656879, 4181647, 12544941, 29271529, 87814587]

約数ペア:

[(1, 87814587), (3, 29271529), (7, 12544941), (21, 4181647), (53, 1656879), (159, 552293), (257, 341691), (307, 286041), (371, 236697), (771, 113897), (921, 95347), (1113, 78899), (1799, 48813), (2149, 40863), (5397, 16271), (6447, 13621)]