13305567615

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20628787}}^1$

素因数の和:20628838

約数の個数: 16

約数和(自身を含む): 21784000128

約数和(自身を除く): 8478432513

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 20628787, 61886361, 103143935, 309431805, 887037841, 2661113523, 4435189205, 13305567615]

約数ペア:

[(1, 13305567615), (3, 4435189205), (5, 2661113523), (15, 887037841), (43, 309431805), (129, 103143935), (215, 61886361), (645, 20628787)]