15769215

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 128

約数和(自身を含む): 36771840

約数和(自身を除く): 21002625

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 37, 41, 45, 55, 63, 77, 99, 105, 111, 123, 135, 165, 185, 189, 205, 231, 259, 287, 297, 315, 333, 369, 385, 407, 451, 495, 555, 615, 693, 777, 861, 945, 999, 1107, 1155, 1221, 1295, 1353, 1435, 1485, 1517, 1665, 1845, 2035, 2079, 2255, 2331, 2583, 2849, 3157, 3465, 3663, 3885, 4059, 4305, 4551, 4995, 5535, 6105, 6765, 6993, 7585, 7749, 8547, 9471, 10395, 10619, 10989, 11655, 12177, 12915, 13653, 14245, 15785, 16687, 18315, 20295, 22755, 25641, 28413, 31857, 34965, 38745, 40959, 42735, 47355, 50061, 53095, 54945, 60885, 68265, 76923, 83435, 85239, 95571, 116809, 128205, 142065, 150183, 159285, 204795, 250305, 286713, 350427, 384615, 426195, 450549, 477855, 584045, 750915, 1051281, 1433565, 1752135, 2252745, 3153843, 5256405, 15769215]

約数ペア:

[(1, 15769215), (3, 5256405), (5, 3153843), (7, 2252745), (9, 1752135), (11, 1433565), (15, 1051281), (21, 750915), (27, 584045), (33, 477855), (35, 450549), (37, 426195), (41, 384615), (45, 350427), (55, 286713), (63, 250305), (77, 204795), (99, 159285), (105, 150183), (111, 142065), (123, 128205), (135, 116809), (165, 95571), (185, 85239), (189, 83435), (205, 76923), (231, 68265), (259, 60885), (287, 54945), (297, 53095), (315, 50061), (333, 47355), (369, 42735), (385, 40959), (407, 38745), (451, 34965), (495, 31857), (555, 28413), (615, 25641), (693, 22755), (777, 20295), (861, 18315), (945, 16687), (999, 15785), (1107, 14245), (1155, 13653), (1221, 12915), (1295, 12177), (1353, 11655), (1435, 10989), (1485, 10619), (1517, 10395), (1665, 9471), (1845, 8547), (2035, 7749), (2079, 7585), (2255, 6993), (2331, 6765), (2583, 6105), (2849, 5535), (3157, 4995), (3465, 4551), (3663, 4305), (3885, 4059)]