12131937

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{7883}}^1$

素因数の和:7914

約数の個数: 20

約数和(自身を含む): 19079280

約数和(自身を除く): 6947343

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 7883, 23649, 70947, 149777, 212841, 449331, 638523, 1347993, 4043979, 12131937]

約数ペア:

[(1, 12131937), (3, 4043979), (9, 1347993), (19, 638523), (27, 449331), (57, 212841), (81, 149777), (171, 70947), (513, 23649), (1539, 7883)]