50420721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 74511360

約数和(自身を除く): 24090639

約数列:

[1, 3, 13, 39, 71, 131, 139, 213, 393, 417, 923, 1703, 1807, 2769, 5109, 5421, 9301, 9869, 18209, 27903, 29607, 54627, 120913, 128297, 236717, 362739, 384891, 710151, 1292839, 3878517, 16806907, 50420721]

約数ペア:

[(1, 50420721), (3, 16806907), (13, 3878517), (39, 1292839), (71, 710151), (131, 384891), (139, 362739), (213, 236717), (393, 128297), (417, 120913), (923, 54627), (1703, 29607), (1807, 27903), (2769, 18209), (5109, 9869), (5421, 9301)]