12511557

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^3$

素因数の和:115

約数の個数: 32

約数和(自身を含む): 20208000

約数和(自身を除く): 7696443

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 841, 1653, 2523, 4959, 7569, 14877, 15979, 22707, 24389, 47937, 73167, 143811, 219501, 431433, 463391, 658503, 1390173, 4170519, 12511557]

約数ペア:

[(1, 12511557), (3, 4170519), (9, 1390173), (19, 658503), (27, 463391), (29, 431433), (57, 219501), (87, 143811), (171, 73167), (261, 47937), (513, 24389), (551, 22707), (783, 15979), (841, 14877), (1653, 7569), (2523, 4959)]