1949427

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:640

約数の個数: 20

約数和(自身を含む): 2988216

約数和(自身を除く): 1038789

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 587, 1107, 1761, 3321, 5283, 15849, 24067, 47547, 72201, 216603, 649809, 1949427]

約数ペア:

[(1, 1949427), (3, 649809), (9, 216603), (27, 72201), (41, 47547), (81, 24067), (123, 15849), (369, 5283), (587, 3321), (1107, 1761)]