2018997945

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2639213}}^1$

素因数の和:2639241

約数の個数: 24

約数和(自身を含む): 3705456456

約数和(自身を除く): 1686458511

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2639213, 7917639, 13196065, 23752917, 39588195, 44866621, 118764585, 134599863, 224333105, 403799589, 672999315, 2018997945]

約数ペア:

[(1, 2018997945), (3, 672999315), (5, 403799589), (9, 224333105), (15, 134599863), (17, 118764585), (45, 44866621), (51, 39588195), (85, 23752917), (153, 13196065), (255, 7917639), (765, 2639213)]