201820005

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3257}}^1$

素因数の和:3297

約数の個数: 56

約数和(自身を含む): 384587352

約数和(自身を除く): 182767347

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 729, 765, 1215, 1377, 2295, 3257, 3645, 4131, 6885, 9771, 12393, 16285, 20655, 29313, 48855, 55369, 61965, 87939, 146565, 166107, 263817, 276845, 439695, 498321, 791451, 830535, 1319085, 1494963, 2374353, 2491605, 3957255, 4484889, 7474815, 11871765, 13454667, 22424445, 40364001, 67273335, 201820005]

約数ペア:

[(1, 201820005), (3, 67273335), (5, 40364001), (9, 22424445), (15, 13454667), (17, 11871765), (27, 7474815), (45, 4484889), (51, 3957255), (81, 2491605), (85, 2374353), (135, 1494963), (153, 1319085), (243, 830535), (255, 791451), (405, 498321), (459, 439695), (729, 276845), (765, 263817), (1215, 166107), (1377, 146565), (2295, 87939), (3257, 61965), (3645, 55369), (4131, 48855), (6885, 29313), (9771, 20655), (12393, 16285)]