219944403

素因数分解:

$3^8\times 7^1\times {\mathrm{4789}}^1$

素因数の和:4820

約数の個数: 36

約数和(自身を含む): 377107120

約数和(自身を除く): 157162717

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 4789, 5103, 6561, 14367, 15309, 33523, 43101, 45927, 100569, 129303, 301707, 387909, 905121, 1163727, 2715363, 3491181, 8146089, 10473543, 24438267, 31420629, 73314801, 219944403]

約数ペア:

[(1, 219944403), (3, 73314801), (7, 31420629), (9, 24438267), (21, 10473543), (27, 8146089), (63, 3491181), (81, 2715363), (189, 1163727), (243, 905121), (567, 387909), (729, 301707), (1701, 129303), (2187, 100569), (4789, 45927), (5103, 43101), (6561, 33523), (14367, 15309)]