20171738475

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{90833}}^1$

素因数の和:90906

約数の個数: 96

約数和(自身を含む): 43251517440

約数和(自身を除く): 23079778965

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 47, 63, 75, 105, 135, 141, 175, 189, 225, 235, 315, 329, 423, 525, 675, 705, 945, 987, 1175, 1269, 1575, 1645, 2115, 2961, 3525, 4725, 4935, 6345, 8225, 8883, 10575, 14805, 24675, 31725, 44415, 74025, 90833, 222075, 272499, 454165, 635831, 817497, 1362495, 1907493, 2270825, 2452491, 3179155, 4087485, 4269151, 5722479, 6812475, 9537465, 12262455, 12807453, 15895775, 17167437, 20437425, 21345755, 28612395, 29884057, 38422359, 47687325, 61312275, 64037265, 85837185, 89652171, 106728775, 115267077, 143061975, 149420285, 192111795, 268956513, 320186325, 429185925, 448260855, 576335385, 747101425, 806869539, 960558975, 1344782565, 2241304275, 2881676925, 4034347695, 6723912825, 20171738475]

約数ペア:

[(1, 20171738475), (3, 6723912825), (5, 4034347695), (7, 2881676925), (9, 2241304275), (15, 1344782565), (21, 960558975), (25, 806869539), (27, 747101425), (35, 576335385), (45, 448260855), (47, 429185925), (63, 320186325), (75, 268956513), (105, 192111795), (135, 149420285), (141, 143061975), (175, 115267077), (189, 106728775), (225, 89652171), (235, 85837185), (315, 64037265), (329, 61312275), (423, 47687325), (525, 38422359), (675, 29884057), (705, 28612395), (945, 21345755), (987, 20437425), (1175, 17167437), (1269, 15895775), (1575, 12807453), (1645, 12262455), (2115, 9537465), (2961, 6812475), (3525, 5722479), (4725, 4269151), (4935, 4087485), (6345, 3179155), (8225, 2452491), (8883, 2270825), (10575, 1907493), (14805, 1362495), (24675, 817497), (31725, 635831), (44415, 454165), (74025, 272499), (90833, 222075)]