128378049405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503443331}}^1$

素因数の和:503443356

約数の個数: 16

約数和(自身を含む): 217487519424

約数和(自身を除く): 89109470019

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 503443331, 1510329993, 2517216655, 7551649965, 8558536627, 25675609881, 42792683135, 128378049405]

約数ペア:

[(1, 128378049405), (3, 42792683135), (5, 25675609881), (15, 8558536627), (17, 7551649965), (51, 2517216655), (85, 1510329993), (255, 503443331)]