2389095

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1$

素因数の和:381

約数の個数: 40

約数和(自身を含む): 4547664

約数和(自身を除く): 2158569

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 347, 405, 459, 765, 1041, 1377, 1735, 2295, 3123, 5205, 5899, 6885, 9369, 15615, 17697, 28107, 29495, 46845, 53091, 88485, 140535, 159273, 265455, 477819, 796365, 2389095]

約数ペア:

[(1, 2389095), (3, 796365), (5, 477819), (9, 265455), (15, 159273), (17, 140535), (27, 88485), (45, 53091), (51, 46845), (81, 29495), (85, 28107), (135, 17697), (153, 15615), (255, 9369), (347, 6885), (405, 5899), (459, 5205), (765, 3123), (1041, 2295), (1377, 1735)]