2009503425

素因数分解:

$3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 3358124352

約数和(自身を除く): 1348620927

約数列:

[1, 3, 5, 15, 25, 75, 197, 277, 491, 591, 831, 985, 1385, 1473, 2455, 2955, 4155, 4925, 6925, 7365, 12275, 14775, 20775, 36825, 54569, 96727, 136007, 163707, 272845, 290181, 408021, 483635, 680035, 818535, 1364225, 1450905, 2040105, 2418175, 3400175, 4092675, 7254525, 10200525, 26793379, 80380137, 133966895, 401900685, 669834475, 2009503425]

約数ペア:

[(1, 2009503425), (3, 669834475), (5, 401900685), (15, 133966895), (25, 80380137), (75, 26793379), (197, 10200525), (277, 7254525), (491, 4092675), (591, 3400175), (831, 2418175), (985, 2040105), (1385, 1450905), (1473, 1364225), (2455, 818535), (2955, 680035), (4155, 483635), (4925, 408021), (6925, 290181), (7365, 272845), (12275, 163707), (14775, 136007), (20775, 96727), (36825, 54569)]