639181869

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{190063}}^1$

素因数の和:190144

約数の個数: 16

約数和(自身を含む): 912307200

約数和(自身を除く): 273125331

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 190063, 570189, 3611197, 10833591, 11213717, 33641151, 213060623, 639181869]

約数ペア:

[(1, 639181869), (3, 213060623), (19, 33641151), (57, 11213717), (59, 10833591), (177, 3611197), (1121, 570189), (3363, 190063)]