128420295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503609}}^1$

素因数の和:503634

約数の個数: 16

約数和(自身を含む): 217559520

約数和(自身を除く): 89139225

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 503609, 1510827, 2518045, 7554135, 8561353, 25684059, 42806765, 128420295]

約数ペア:

[(1, 128420295), (3, 42806765), (5, 25684059), (15, 8561353), (17, 7554135), (51, 2518045), (85, 1510827), (255, 503609)]