989655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3881}}^1$

素因数の和:3906

約数の個数: 16

約数和(自身を含む): 1677024

約数和(自身を除く): 687369

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 3881, 11643, 19405, 58215, 65977, 197931, 329885, 989655]

約数ペア:

[(1, 989655), (3, 329885), (5, 197931), (15, 65977), (17, 58215), (51, 19405), (85, 11643), (255, 3881)]