281452221

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{277}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 448858800

約数和(自身を除く): 167406579

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 229, 261, 277, 493, 687, 831, 1479, 2061, 2493, 3893, 4437, 4709, 6641, 8033, 11679, 14127, 19923, 24099, 35037, 42381, 59769, 63433, 72297, 112897, 136561, 190299, 338691, 409683, 570897, 1016073, 1078361, 1229049, 1839557, 3235083, 5518671, 9705249, 16556013, 31272469, 93817407, 281452221]

約数ペア:

[(1, 281452221), (3, 93817407), (9, 31272469), (17, 16556013), (29, 9705249), (51, 5518671), (87, 3235083), (153, 1839557), (229, 1229049), (261, 1078361), (277, 1016073), (493, 570897), (687, 409683), (831, 338691), (1479, 190299), (2061, 136561), (2493, 112897), (3893, 72297), (4437, 63433), (4709, 59769), (6641, 42381), (8033, 35037), (11679, 24099), (14127, 19923)]