12955707

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{521}}^1$

素因数の和:840

約数の個数: 20

約数和(自身を含む): 19453896

約数和(自身を除く): 6498189

約数列:

[1, 3, 9, 27, 81, 307, 521, 921, 1563, 2763, 4689, 8289, 14067, 24867, 42201, 159947, 479841, 1439523, 4318569, 12955707]

約数ペア:

[(1, 12955707), (3, 4318569), (9, 1439523), (27, 479841), (81, 159947), (307, 42201), (521, 24867), (921, 14067), (1563, 8289), (2763, 4689)]