219093357

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{17957}}^1$

素因数の和:18057

約数の個数: 24

約数和(自身を含む): 343931616

約数和(自身を除く): 124838259

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 4067, 12201, 17957, 53871, 125699, 377097, 879893, 1490431, 2639679, 4471293, 10433017, 31299051, 73031119, 219093357]

約数ペア:

[(1, 219093357), (3, 73031119), (7, 31299051), (21, 10433017), (49, 4471293), (83, 2639679), (147, 1490431), (249, 879893), (581, 377097), (1743, 125699), (4067, 53871), (12201, 17957)]