16538445

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 128

約数和(自身を含む): 38522880

約数和(自身を除く): 21984435

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 37, 43, 45, 55, 63, 77, 99, 105, 111, 129, 135, 165, 185, 189, 215, 231, 259, 297, 301, 315, 333, 385, 387, 407, 473, 495, 555, 645, 693, 777, 903, 945, 999, 1155, 1161, 1221, 1295, 1419, 1485, 1505, 1591, 1665, 1935, 2035, 2079, 2331, 2365, 2709, 2849, 3311, 3465, 3663, 3885, 4257, 4515, 4773, 4995, 5805, 6105, 6993, 7095, 7955, 8127, 8547, 9933, 10395, 10989, 11137, 11655, 12771, 13545, 14245, 14319, 16555, 17501, 18315, 21285, 23865, 25641, 29799, 33411, 34965, 40635, 42735, 42957, 49665, 52503, 54945, 55685, 63855, 71595, 76923, 87505, 89397, 100233, 122507, 128205, 148995, 157509, 167055, 214785, 262515, 300699, 367521, 384615, 446985, 472527, 501165, 612535, 787545, 1102563, 1503495, 1837605, 2362635, 3307689, 5512815, 16538445]

約数ペア:

[(1, 16538445), (3, 5512815), (5, 3307689), (7, 2362635), (9, 1837605), (11, 1503495), (15, 1102563), (21, 787545), (27, 612535), (33, 501165), (35, 472527), (37, 446985), (43, 384615), (45, 367521), (55, 300699), (63, 262515), (77, 214785), (99, 167055), (105, 157509), (111, 148995), (129, 128205), (135, 122507), (165, 100233), (185, 89397), (189, 87505), (215, 76923), (231, 71595), (259, 63855), (297, 55685), (301, 54945), (315, 52503), (333, 49665), (385, 42957), (387, 42735), (407, 40635), (473, 34965), (495, 33411), (555, 29799), (645, 25641), (693, 23865), (777, 21285), (903, 18315), (945, 17501), (999, 16555), (1155, 14319), (1161, 14245), (1221, 13545), (1295, 12771), (1419, 11655), (1485, 11137), (1505, 10989), (1591, 10395), (1665, 9933), (1935, 8547), (2035, 8127), (2079, 7955), (2331, 7095), (2365, 6993), (2709, 6105), (2849, 5805), (3311, 4995), (3465, 4773), (3663, 4515), (3885, 4257)]