28686249

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{839}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 43243200

約数和(自身を除く): 14556951

約数列:

[1, 3, 9, 29, 87, 131, 261, 393, 839, 1179, 2517, 3799, 7551, 11397, 24331, 34191, 72993, 109909, 218979, 329727, 989181, 3187361, 9562083, 28686249]

約数ペア:

[(1, 28686249), (3, 9562083), (9, 3187361), (29, 989181), (87, 329727), (131, 218979), (261, 109909), (393, 72993), (839, 34191), (1179, 24331), (2517, 11397), (3799, 7551)]