28873845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:683

約数の個数: 96

約数和(自身を含む): 67302144

約数和(自身を除く): 38428299

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 33, 35, 39, 45, 55, 63, 65, 77, 91, 99, 105, 117, 143, 165, 195, 231, 273, 315, 385, 429, 455, 495, 585, 641, 693, 715, 819, 1001, 1155, 1287, 1365, 1923, 2145, 3003, 3205, 3465, 4095, 4487, 5005, 5769, 6435, 7051, 8333, 9009, 9615, 13461, 15015, 21153, 22435, 24999, 28845, 35255, 40383, 41665, 45045, 49357, 58331, 63459, 67305, 74997, 91663, 105765, 124995, 148071, 174993, 201915, 246785, 274989, 291655, 317295, 374985, 444213, 458315, 524979, 641641, 740355, 824967, 874965, 1374945, 1924923, 2221065, 2624895, 3208205, 4124835, 5774769, 9624615, 28873845]

約数ペア:

[(1, 28873845), (3, 9624615), (5, 5774769), (7, 4124835), (9, 3208205), (11, 2624895), (13, 2221065), (15, 1924923), (21, 1374945), (33, 874965), (35, 824967), (39, 740355), (45, 641641), (55, 524979), (63, 458315), (65, 444213), (77, 374985), (91, 317295), (99, 291655), (105, 274989), (117, 246785), (143, 201915), (165, 174993), (195, 148071), (231, 124995), (273, 105765), (315, 91663), (385, 74997), (429, 67305), (455, 63459), (495, 58331), (585, 49357), (641, 45045), (693, 41665), (715, 40383), (819, 35255), (1001, 28845), (1155, 24999), (1287, 22435), (1365, 21153), (1923, 15015), (2145, 13461), (3003, 9615), (3205, 9009), (3465, 8333), (4095, 7051), (4487, 6435), (5005, 5769)]