18293445

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2657}}^1$

素因数の和:2691

約数の個数: 40

約数和(自身を含む): 34734744

約数和(自身を除く): 16441299

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 2657, 6885, 7971, 13285, 23913, 39855, 45169, 71739, 119565, 135507, 215217, 225845, 358695, 406521, 677535, 1076085, 1219563, 2032605, 3658689, 6097815, 18293445]

約数ペア:

[(1, 18293445), (3, 6097815), (5, 3658689), (9, 2032605), (15, 1219563), (17, 1076085), (27, 677535), (45, 406521), (51, 358695), (81, 225845), (85, 215217), (135, 135507), (153, 119565), (255, 71739), (405, 45169), (459, 39855), (765, 23913), (1377, 13285), (2295, 7971), (2657, 6885)]