211077909

素因数分解:

$3^2\times 7^1\times {\mathrm{881}}^1\times {\mathrm{3803}}^1$

素因数の和:4697

約数の個数: 24

約数和(自身を含む): 348933312

約数和(自身を除く): 137855403

約数列:

[1, 3, 7, 9, 21, 63, 881, 2643, 3803, 6167, 7929, 11409, 18501, 26621, 34227, 55503, 79863, 239589, 3350443, 10051329, 23453101, 30153987, 70359303, 211077909]

約数ペア:

[(1, 211077909), (3, 70359303), (7, 30153987), (9, 23453101), (21, 10051329), (63, 3350443), (881, 239589), (2643, 79863), (3803, 55503), (6167, 34227), (7929, 26621), (11409, 18501)]