199977183

素因数分解:

$3^2\times 7^2\times {\mathrm{547}}^1\times {\mathrm{829}}^1$

素因数の和:1396

約数の個数: 36

約数和(自身を含む): 337036440

約数和(自身を除く): 137059257

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 547, 829, 1641, 2487, 3829, 4923, 5803, 7461, 11487, 17409, 26803, 34461, 40621, 52227, 80409, 121863, 241227, 365589, 453463, 1360389, 3174241, 4081167, 9522723, 22219687, 28568169, 66659061, 199977183]

約数ペア:

[(1, 199977183), (3, 66659061), (7, 28568169), (9, 22219687), (21, 9522723), (49, 4081167), (63, 3174241), (147, 1360389), (441, 453463), (547, 365589), (829, 241227), (1641, 121863), (2487, 80409), (3829, 52227), (4923, 40621), (5803, 34461), (7461, 26803), (11487, 17409)]