28729575

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 66156480

約数和(自身を除く): 37426905

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 29, 35, 37, 45, 51, 63, 75, 85, 87, 105, 111, 119, 145, 153, 175, 185, 203, 225, 255, 259, 261, 315, 333, 357, 425, 435, 493, 525, 555, 595, 609, 629, 725, 765, 777, 925, 1015, 1071, 1073, 1275, 1295, 1305, 1479, 1575, 1665, 1785, 1827, 1887, 2175, 2331, 2465, 2775, 2975, 3045, 3145, 3219, 3451, 3825, 3885, 4403, 4437, 5075, 5355, 5365, 5661, 6475, 6525, 7395, 7511, 8325, 8925, 9135, 9435, 9657, 10353, 11655, 12325, 13209, 15225, 15725, 16095, 17255, 18241, 19425, 22015, 22185, 22533, 26775, 26825, 28305, 31059, 36975, 37555, 39627, 45675, 47175, 48285, 51765, 54723, 58275, 66045, 67599, 80475, 86275, 91205, 110075, 110925, 112665, 127687, 141525, 155295, 164169, 187775, 198135, 241425, 258825, 273615, 330225, 337995, 383061, 456025, 563325, 638435, 776475, 820845, 990675, 1149183, 1368075, 1689975, 1915305, 3192175, 4104225, 5745915, 9576525, 28729575]

約数ペア:

[(1, 28729575), (3, 9576525), (5, 5745915), (7, 4104225), (9, 3192175), (15, 1915305), (17, 1689975), (21, 1368075), (25, 1149183), (29, 990675), (35, 820845), (37, 776475), (45, 638435), (51, 563325), (63, 456025), (75, 383061), (85, 337995), (87, 330225), (105, 273615), (111, 258825), (119, 241425), (145, 198135), (153, 187775), (175, 164169), (185, 155295), (203, 141525), (225, 127687), (255, 112665), (259, 110925), (261, 110075), (315, 91205), (333, 86275), (357, 80475), (425, 67599), (435, 66045), (493, 58275), (525, 54723), (555, 51765), (595, 48285), (609, 47175), (629, 45675), (725, 39627), (765, 37555), (777, 36975), (925, 31059), (1015, 28305), (1071, 26825), (1073, 26775), (1275, 22533), (1295, 22185), (1305, 22015), (1479, 19425), (1575, 18241), (1665, 17255), (1785, 16095), (1827, 15725), (1887, 15225), (2175, 13209), (2331, 12325), (2465, 11655), (2775, 10353), (2975, 9657), (3045, 9435), (3145, 9135), (3219, 8925), (3451, 8325), (3825, 7511), (3885, 7395), (4403, 6525), (4437, 6475), (5075, 5661), (5355, 5365)]