15561425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 21373632

約数和(自身を除く): 5812207

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 797, 1775, 3905, 3985, 8767, 19525, 19925, 43835, 56587, 219175, 282935, 622457, 1414675, 3112285, 15561425]

約数ペア:

[(1, 15561425), (5, 3112285), (11, 1414675), (25, 622457), (55, 282935), (71, 219175), (275, 56587), (355, 43835), (781, 19925), (797, 19525), (1775, 8767), (3905, 3985)]