51749775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 120706560

約数和(自身を除く): 68956785

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 29, 33, 35, 45, 55, 63, 75, 77, 87, 99, 103, 105, 145, 165, 175, 203, 225, 231, 261, 275, 309, 315, 319, 385, 435, 495, 515, 525, 609, 693, 721, 725, 825, 927, 957, 1015, 1133, 1155, 1305, 1545, 1575, 1595, 1827, 1925, 2163, 2175, 2233, 2475, 2575, 2871, 2987, 3045, 3399, 3465, 3605, 4635, 4785, 5075, 5665, 5775, 6489, 6525, 6699, 7725, 7931, 7975, 8961, 9135, 10197, 10815, 11165, 14355, 14935, 15225, 16995, 17325, 18025, 20097, 20909, 23175, 23793, 23925, 26883, 28325, 32445, 32857, 33495, 39655, 44805, 45675, 50985, 54075, 55825, 62727, 71379, 71775, 74675, 84975, 98571, 100485, 104545, 118965, 134415, 162225, 164285, 167475, 188181, 198275, 224025, 229999, 254925, 295713, 313635, 356895, 492855, 502425, 522725, 594825, 672075, 689997, 821425, 940905, 1149995, 1478565, 1568175, 1784475, 2069991, 2464275, 3449985, 4704525, 5749975, 7392825, 10349955, 17249925, 51749775]

約数ペア:

[(1, 51749775), (3, 17249925), (5, 10349955), (7, 7392825), (9, 5749975), (11, 4704525), (15, 3449985), (21, 2464275), (25, 2069991), (29, 1784475), (33, 1568175), (35, 1478565), (45, 1149995), (55, 940905), (63, 821425), (75, 689997), (77, 672075), (87, 594825), (99, 522725), (103, 502425), (105, 492855), (145, 356895), (165, 313635), (175, 295713), (203, 254925), (225, 229999), (231, 224025), (261, 198275), (275, 188181), (309, 167475), (315, 164285), (319, 162225), (385, 134415), (435, 118965), (495, 104545), (515, 100485), (525, 98571), (609, 84975), (693, 74675), (721, 71775), (725, 71379), (825, 62727), (927, 55825), (957, 54075), (1015, 50985), (1133, 45675), (1155, 44805), (1305, 39655), (1545, 33495), (1575, 32857), (1595, 32445), (1827, 28325), (1925, 26883), (2163, 23925), (2175, 23793), (2233, 23175), (2475, 20909), (2575, 20097), (2871, 18025), (2987, 17325), (3045, 16995), (3399, 15225), (3465, 14935), (3605, 14355), (4635, 11165), (4785, 10815), (5075, 10197), (5665, 9135), (5775, 8961), (6489, 7975), (6525, 7931), (6699, 7725)]