31919265

素因数分解:

$3^8\times 5^1\times 7^1\times {\mathrm{139}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 66131520

約数和(自身を除く): 34212255

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 139, 189, 243, 315, 405, 417, 567, 695, 729, 945, 973, 1215, 1251, 1701, 2085, 2187, 2835, 2919, 3645, 3753, 4865, 5103, 6255, 6561, 8505, 8757, 10935, 11259, 14595, 15309, 18765, 25515, 26271, 32805, 33777, 43785, 45927, 56295, 76545, 78813, 101331, 131355, 168885, 229635, 236439, 303993, 394065, 506655, 709317, 911979, 1182195, 1519965, 2127951, 3546585, 4559895, 6383853, 10639755, 31919265]

約数ペア:

[(1, 31919265), (3, 10639755), (5, 6383853), (7, 4559895), (9, 3546585), (15, 2127951), (21, 1519965), (27, 1182195), (35, 911979), (45, 709317), (63, 506655), (81, 394065), (105, 303993), (135, 236439), (139, 229635), (189, 168885), (243, 131355), (315, 101331), (405, 78813), (417, 76545), (567, 56295), (695, 45927), (729, 43785), (945, 33777), (973, 32805), (1215, 26271), (1251, 25515), (1701, 18765), (2085, 15309), (2187, 14595), (2835, 11259), (2919, 10935), (3645, 8757), (3753, 8505), (4865, 6561), (5103, 6255)]