128374905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503431}}^1$

素因数の和:503456

約数の個数: 16

約数和(自身を含む): 217482624

約数和(自身を除く): 89107719

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 503431, 1510293, 2517155, 7551465, 8558327, 25674981, 42791635, 128374905]

約数ペア:

[(1, 128374905), (3, 42791635), (5, 25674981), (15, 8558327), (17, 7551465), (51, 2517155), (85, 1510293), (255, 503431)]