312885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 575640

約数和(自身を除く): 262755

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 409, 765, 1227, 2045, 3681, 6135, 6953, 18405, 20859, 34765, 62577, 104295, 312885]

約数ペア:

[(1, 312885), (3, 104295), (5, 62577), (9, 34765), (15, 20859), (17, 18405), (45, 6953), (51, 6135), (85, 3681), (153, 2045), (255, 1227), (409, 765)]