13865121

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{13879}}^1$

素因数の和:13925

約数の個数: 16

約数和(自身を含む): 21097600

約数和(自身を除く): 7232479

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 13879, 41637, 124911, 374733, 513523, 1540569, 4621707, 13865121]

約数ペア:

[(1, 13865121), (3, 4621707), (9, 1540569), (27, 513523), (37, 374733), (111, 124911), (333, 41637), (999, 13879)]