1387134477

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{462841}}^1$

素因数の和:462890

約数の個数: 20

約数和(自身を含む): 2128147516

約数和(自身を除く): 741013039

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 462841, 1388523, 4165569, 12496707, 17125117, 37490121, 51375351, 154126053, 462378159, 1387134477]

約数ペア:

[(1, 1387134477), (3, 462378159), (9, 154126053), (27, 51375351), (37, 37490121), (81, 17125117), (111, 12496707), (333, 4165569), (999, 1388523), (2997, 462841)]