28303275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:86

約数の個数: 144

約数和(自身を含む): 65352960

約数和(自身を除く): 37049685

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 29, 33, 35, 39, 55, 65, 75, 77, 87, 91, 105, 143, 145, 165, 169, 175, 195, 203, 231, 273, 275, 319, 325, 377, 385, 429, 435, 455, 507, 525, 609, 715, 725, 825, 845, 957, 975, 1001, 1015, 1131, 1155, 1183, 1365, 1595, 1859, 1885, 1925, 2145, 2175, 2233, 2275, 2535, 2639, 3003, 3045, 3549, 3575, 4147, 4225, 4785, 4901, 5005, 5075, 5577, 5655, 5775, 5915, 6699, 6825, 7917, 7975, 9295, 9425, 10725, 11165, 12441, 12675, 13013, 13195, 14703, 15015, 15225, 17745, 20735, 23925, 24505, 25025, 27885, 28275, 29029, 29575, 33495, 34307, 39039, 39585, 46475, 53911, 55825, 62205, 65065, 65975, 73515, 75075, 87087, 88725, 102921, 103675, 122525, 139425, 145145, 161733, 167475, 171535, 195195, 197925, 269555, 311025, 325325, 367575, 377377, 435435, 514605, 725725, 808665, 857675, 975975, 1132131, 1347775, 1886885, 2177175, 2573025, 4043325, 5660655, 9434425, 28303275]

約数ペア:

[(1, 28303275), (3, 9434425), (5, 5660655), (7, 4043325), (11, 2573025), (13, 2177175), (15, 1886885), (21, 1347775), (25, 1132131), (29, 975975), (33, 857675), (35, 808665), (39, 725725), (55, 514605), (65, 435435), (75, 377377), (77, 367575), (87, 325325), (91, 311025), (105, 269555), (143, 197925), (145, 195195), (165, 171535), (169, 167475), (175, 161733), (195, 145145), (203, 139425), (231, 122525), (273, 103675), (275, 102921), (319, 88725), (325, 87087), (377, 75075), (385, 73515), (429, 65975), (435, 65065), (455, 62205), (507, 55825), (525, 53911), (609, 46475), (715, 39585), (725, 39039), (825, 34307), (845, 33495), (957, 29575), (975, 29029), (1001, 28275), (1015, 27885), (1131, 25025), (1155, 24505), (1183, 23925), (1365, 20735), (1595, 17745), (1859, 15225), (1885, 15015), (1925, 14703), (2145, 13195), (2175, 13013), (2233, 12675), (2275, 12441), (2535, 11165), (2639, 10725), (3003, 9425), (3045, 9295), (3549, 7975), (3575, 7917), (4147, 6825), (4225, 6699), (4785, 5915), (4901, 5775), (5005, 5655), (5075, 5577)]