771885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 1418040

約数和(自身を除く): 646155

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1009, 3027, 5045, 9081, 15135, 17153, 45405, 51459, 85765, 154377, 257295, 771885]

約数ペア:

[(1, 771885), (3, 257295), (5, 154377), (9, 85765), (15, 51459), (17, 45405), (45, 17153), (51, 15135), (85, 9081), (153, 5045), (255, 3027), (765, 1009)]