15642927

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 23447424

約数和(自身を除く): 7804497

約数列:

[1, 3, 9, 43, 83, 129, 249, 387, 487, 747, 1461, 3569, 4383, 10707, 20941, 32121, 40421, 62823, 121263, 188469, 363789, 1738103, 5214309, 15642927]

約数ペア:

[(1, 15642927), (3, 5214309), (9, 1738103), (43, 363789), (83, 188469), (129, 121263), (249, 62823), (387, 40421), (487, 32121), (747, 20941), (1461, 10707), (3569, 4383)]