18801477891

素因数分解:

$3^6\times 7^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:652

約数の個数: 112

約数和(自身を含む): 33030774784

約数和(自身を除く): 14229296893

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 127, 189, 201, 243, 381, 433, 469, 567, 603, 729, 889, 1143, 1299, 1407, 1701, 1809, 2667, 3031, 3429, 3897, 4221, 5103, 5427, 8001, 8509, 9093, 10287, 11691, 12663, 16281, 24003, 25527, 27279, 29011, 30861, 35073, 37989, 48843, 54991, 59563, 72009, 76581, 81837, 87033, 92583, 105219, 113967, 164973, 178689, 203077, 216027, 229743, 245511, 261099, 315657, 341901, 384937, 494919, 536067, 609231, 648081, 689229, 736533, 783297, 1154811, 1484757, 1608201, 1827693, 2067687, 2209599, 2349891, 3464433, 3684397, 4454271, 4824603, 5483079, 6203061, 7049673, 10393299, 11053191, 13362813, 14473809, 16449237, 21149019, 25790779, 31179897, 33159573, 40088439, 43421427, 49347711, 77372337, 93539691, 99478719, 148043133, 232117011, 280619073, 298436157, 696351033, 895308471, 2089053099, 2685925413, 6267159297, 18801477891]

約数ペア:

[(1, 18801477891), (3, 6267159297), (7, 2685925413), (9, 2089053099), (21, 895308471), (27, 696351033), (63, 298436157), (67, 280619073), (81, 232117011), (127, 148043133), (189, 99478719), (201, 93539691), (243, 77372337), (381, 49347711), (433, 43421427), (469, 40088439), (567, 33159573), (603, 31179897), (729, 25790779), (889, 21149019), (1143, 16449237), (1299, 14473809), (1407, 13362813), (1701, 11053191), (1809, 10393299), (2667, 7049673), (3031, 6203061), (3429, 5483079), (3897, 4824603), (4221, 4454271), (5103, 3684397), (5427, 3464433), (8001, 2349891), (8509, 2209599), (9093, 2067687), (10287, 1827693), (11691, 1608201), (12663, 1484757), (16281, 1154811), (24003, 783297), (25527, 736533), (27279, 689229), (29011, 648081), (30861, 609231), (35073, 536067), (37989, 494919), (48843, 384937), (54991, 341901), (59563, 315657), (72009, 261099), (76581, 245511), (81837, 229743), (87033, 216027), (92583, 203077), (105219, 178689), (113967, 164973)]