2009775

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 3364864

約数和(自身を除く): 1355089

約数列:

[1, 3, 5, 15, 25, 75, 127, 211, 381, 633, 635, 1055, 1905, 3165, 3175, 5275, 9525, 15825, 26797, 80391, 133985, 401955, 669925, 2009775]

約数ペア:

[(1, 2009775), (3, 669925), (5, 401955), (15, 133985), (25, 80391), (75, 26797), (127, 15825), (211, 9525), (381, 5275), (633, 3175), (635, 3165), (1055, 1905)]