381639681

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 658627200

約数和(自身を除く): 276987519

約数列:

[1, 3, 9, 17, 19, 27, 29, 51, 57, 81, 87, 153, 171, 261, 323, 459, 493, 503, 513, 551, 783, 969, 1377, 1479, 1509, 1539, 1653, 2349, 2907, 4437, 4527, 4959, 8551, 8721, 9367, 9557, 13311, 13581, 14587, 14877, 25653, 26163, 28101, 28671, 39933, 40743, 43761, 44631, 76959, 84303, 86013, 131283, 162469, 230877, 247979, 252909, 258039, 277153, 393849, 487407, 692631, 743937, 758727, 774117, 831459, 1181547, 1462221, 2231811, 2494377, 4386663, 4711601, 6695433, 7483131, 13159989, 14134803, 20086299, 22449393, 42404409, 127213227, 381639681]

約数ペア:

[(1, 381639681), (3, 127213227), (9, 42404409), (17, 22449393), (19, 20086299), (27, 14134803), (29, 13159989), (51, 7483131), (57, 6695433), (81, 4711601), (87, 4386663), (153, 2494377), (171, 2231811), (261, 1462221), (323, 1181547), (459, 831459), (493, 774117), (503, 758727), (513, 743937), (551, 692631), (783, 487407), (969, 393849), (1377, 277153), (1479, 258039), (1509, 252909), (1539, 247979), (1653, 230877), (2349, 162469), (2907, 131283), (4437, 86013), (4527, 84303), (4959, 76959), (8551, 44631), (8721, 43761), (9367, 40743), (9557, 39933), (13311, 28671), (13581, 28101), (14587, 26163), (14877, 25653)]