16960671

素因数分解:

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

素因数の和:107

約数の個数: 72

約数和(自身を含む): 31973760

約数和(自身を除く): 15013089

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 59, 63, 81, 91, 117, 169, 177, 189, 243, 273, 351, 413, 507, 531, 567, 767, 819, 1053, 1183, 1239, 1521, 1593, 1701, 2301, 2457, 3159, 3549, 3717, 4563, 4779, 5369, 6903, 7371, 9971, 10647, 11151, 13689, 14337, 16107, 20709, 22113, 29913, 31941, 33453, 41067, 48321, 62127, 69797, 89739, 95823, 100359, 144963, 186381, 209391, 269217, 287469, 434889, 628173, 807651, 1304667, 1884519, 2422953, 5653557, 16960671]

約数ペア:

[(1, 16960671), (3, 5653557), (7, 2422953), (9, 1884519), (13, 1304667), (21, 807651), (27, 628173), (39, 434889), (59, 287469), (63, 269217), (81, 209391), (91, 186381), (117, 144963), (169, 100359), (177, 95823), (189, 89739), (243, 69797), (273, 62127), (351, 48321), (413, 41067), (507, 33453), (531, 31941), (567, 29913), (767, 22113), (819, 20709), (1053, 16107), (1183, 14337), (1239, 13689), (1521, 11151), (1593, 10647), (1701, 9971), (2301, 7371), (2457, 6903), (3159, 5369), (3549, 4779), (3717, 4563)]