28222425

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:221

約数の個数: 120

約数和(自身を含む): 65537472

約数和(自身を除く): 37315047

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 27, 33, 35, 45, 55, 63, 75, 77, 81, 99, 105, 135, 165, 175, 181, 189, 225, 231, 275, 297, 315, 385, 405, 495, 525, 543, 567, 675, 693, 825, 891, 905, 945, 1155, 1267, 1485, 1575, 1629, 1925, 1991, 2025, 2079, 2475, 2715, 2835, 3465, 3801, 4455, 4525, 4725, 4887, 5775, 5973, 6237, 6335, 7425, 8145, 9955, 10395, 11403, 13575, 13937, 14175, 14661, 17325, 17919, 19005, 22275, 24435, 29865, 31185, 31675, 34209, 40725, 41811, 49775, 51975, 53757, 57015, 69685, 73305, 89595, 95025, 102627, 122175, 125433, 149325, 155925, 161271, 171045, 209055, 268785, 285075, 348425, 366525, 376299, 447975, 513135, 627165, 806355, 855225, 1045275, 1128897, 1343925, 1881495, 2565675, 3135825, 4031775, 5644485, 9407475, 28222425]

約数ペア:

[(1, 28222425), (3, 9407475), (5, 5644485), (7, 4031775), (9, 3135825), (11, 2565675), (15, 1881495), (21, 1343925), (25, 1128897), (27, 1045275), (33, 855225), (35, 806355), (45, 627165), (55, 513135), (63, 447975), (75, 376299), (77, 366525), (81, 348425), (99, 285075), (105, 268785), (135, 209055), (165, 171045), (175, 161271), (181, 155925), (189, 149325), (225, 125433), (231, 122175), (275, 102627), (297, 95025), (315, 89595), (385, 73305), (405, 69685), (495, 57015), (525, 53757), (543, 51975), (567, 49775), (675, 41811), (693, 40725), (825, 34209), (891, 31675), (905, 31185), (945, 29865), (1155, 24435), (1267, 22275), (1485, 19005), (1575, 17919), (1629, 17325), (1925, 14661), (1991, 14175), (2025, 13937), (2079, 13575), (2475, 11403), (2715, 10395), (2835, 9955), (3465, 8145), (3801, 7425), (4455, 6335), (4525, 6237), (4725, 5973), (4887, 5775)]