25705629

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 38727000

約数和(自身を除く): 13021371

約数列:

[1, 3, 9, 29, 87, 149, 261, 447, 661, 1341, 1983, 4321, 5949, 12963, 19169, 38889, 57507, 98489, 172521, 295467, 886401, 2856181, 8568543, 25705629]

約数ペア:

[(1, 25705629), (3, 8568543), (9, 2856181), (29, 886401), (87, 295467), (149, 172521), (261, 98489), (447, 57507), (661, 38889), (1341, 19169), (1983, 12963), (4321, 5949)]