16805487

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 22885632

約数和(自身を除く): 6080145

約数列:

[1, 3, 71, 213, 257, 307, 771, 921, 18247, 21797, 54741, 65391, 78899, 236697, 5601829, 16805487]

約数ペア:

[(1, 16805487), (3, 5601829), (71, 236697), (213, 78899), (257, 65391), (307, 54741), (771, 21797), (921, 18247)]