208962099

素因数分解:

$3^4\times {\mathrm{1499}}^1\times {\mathrm{1721}}^1$

素因数の和:3232

約数の個数: 20

約数和(自身を含む): 312543000

約数和(自身を除く): 103580901

約数列:

[1, 3, 9, 27, 81, 1499, 1721, 4497, 5163, 13491, 15489, 40473, 46467, 121419, 139401, 2579779, 7739337, 23218011, 69654033, 208962099]

約数ペア:

[(1, 208962099), (3, 69654033), (9, 23218011), (27, 7739337), (81, 2579779), (1499, 139401), (1721, 121419), (4497, 46467), (5163, 40473), (13491, 15489)]