201680913

素因数分解:

$3^1\times 7^3\times {\mathrm{195997}}^1$

素因数の和:196021

約数の個数: 16

約数和(自身を含む): 313596800

約数和(自身を除く): 111915887

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 195997, 587991, 1371979, 4115937, 9603853, 28811559, 67226971, 201680913]

約数ペア:

[(1, 201680913), (3, 67226971), (7, 28811559), (21, 9603853), (49, 4115937), (147, 1371979), (343, 587991), (1029, 195997)]