2190753981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{435451}}^1$

素因数の和:435513

約数の個数: 24

約数和(自身を含む): 3487099616

約数和(自身を除く): 1296345635

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 435451, 1306353, 3919059, 5660863, 16982589, 18724393, 50947767, 56173179, 168519537, 243417109, 730251327, 2190753981]

約数ペア:

[(1, 2190753981), (3, 730251327), (9, 243417109), (13, 168519537), (39, 56173179), (43, 50947767), (117, 18724393), (129, 16982589), (387, 5660863), (559, 3919059), (1677, 1306353), (5031, 435451)]