199800531

素因数分解:

$3^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{7159}}^1$

素因数の和:7615

約数の個数: 24

約数和(自身を含む): 330620160

約数和(自身を除く): 130819629

約数列:

[1, 3, 7, 9, 21, 63, 443, 1329, 3101, 3987, 7159, 9303, 21477, 27909, 50113, 64431, 150339, 451017, 3171437, 9514311, 22200059, 28542933, 66600177, 199800531]

約数ペア:

[(1, 199800531), (3, 66600177), (7, 28542933), (9, 22200059), (21, 9514311), (63, 3171437), (443, 451017), (1329, 150339), (3101, 64431), (3987, 50113), (7159, 27909), (9303, 21477)]