28267785

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1$

素因数の和:109

約数の個数: 120

約数和(自身を含む): 63771840

約数和(自身を除く): 35504055

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 59, 63, 65, 81, 91, 105, 117, 135, 169, 177, 189, 195, 273, 295, 315, 351, 405, 413, 455, 507, 531, 567, 585, 767, 819, 845, 885, 945, 1053, 1183, 1239, 1365, 1521, 1593, 1755, 2065, 2301, 2457, 2535, 2655, 2835, 3549, 3717, 3835, 4095, 4563, 4779, 5265, 5369, 5915, 6195, 6903, 7371, 7605, 7965, 9971, 10647, 11151, 11505, 12285, 13689, 16107, 17745, 18585, 20709, 22815, 23895, 26845, 29913, 31941, 33453, 34515, 36855, 48321, 49855, 53235, 55755, 62127, 68445, 69797, 80535, 89739, 95823, 103545, 144963, 149565, 159705, 167265, 209391, 241605, 269217, 310635, 348985, 434889, 448695, 479115, 628173, 724815, 807651, 1046955, 1346085, 1884519, 2174445, 3140865, 4038255, 5653557, 9422595, 28267785]

約数ペア:

[(1, 28267785), (3, 9422595), (5, 5653557), (7, 4038255), (9, 3140865), (13, 2174445), (15, 1884519), (21, 1346085), (27, 1046955), (35, 807651), (39, 724815), (45, 628173), (59, 479115), (63, 448695), (65, 434889), (81, 348985), (91, 310635), (105, 269217), (117, 241605), (135, 209391), (169, 167265), (177, 159705), (189, 149565), (195, 144963), (273, 103545), (295, 95823), (315, 89739), (351, 80535), (405, 69797), (413, 68445), (455, 62127), (507, 55755), (531, 53235), (567, 49855), (585, 48321), (767, 36855), (819, 34515), (845, 33453), (885, 31941), (945, 29913), (1053, 26845), (1183, 23895), (1239, 22815), (1365, 20709), (1521, 18585), (1593, 17745), (1755, 16107), (2065, 13689), (2301, 12285), (2457, 11505), (2535, 11151), (2655, 10647), (2835, 9971), (3549, 7965), (3717, 7605), (3835, 7371), (4095, 6903), (4563, 6195), (4779, 5915), (5265, 5369)]