9001025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 12374208

約数和(自身を除く): 3373183

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 461, 781, 1775, 2305, 3905, 5071, 11525, 19525, 25355, 32731, 126775, 163655, 360041, 818275, 1800205, 9001025]

約数ペア:

[(1, 9001025), (5, 1800205), (11, 818275), (25, 360041), (55, 163655), (71, 126775), (275, 32731), (355, 25355), (461, 19525), (781, 11525), (1775, 5071), (2305, 3905)]