207989775

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 454248704

約数和(自身を除く): 246258929

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 67, 73, 75, 81, 105, 135, 175, 189, 201, 219, 225, 243, 315, 335, 365, 405, 469, 511, 525, 567, 603, 657, 675, 945, 1005, 1095, 1215, 1407, 1533, 1575, 1675, 1701, 1809, 1825, 1971, 2025, 2345, 2555, 2835, 3015, 3285, 4221, 4599, 4725, 4891, 5025, 5427, 5475, 5913, 6075, 7035, 7665, 8505, 9045, 9855, 11725, 12663, 12775, 13797, 14175, 14673, 15075, 16281, 16425, 17739, 21105, 22995, 24455, 27135, 29565, 34237, 35175, 37989, 38325, 41391, 42525, 44019, 45225, 49275, 63315, 68985, 73365, 81405, 88695, 102711, 105525, 113967, 114975, 122275, 124173, 132057, 135675, 147825, 171185, 189945, 206955, 220095, 308133, 316575, 344925, 366825, 396171, 407025, 443475, 513555, 569835, 620865, 660285, 855925, 924399, 949725, 1034775, 1100475, 1188513, 1540665, 1980855, 2567775, 2773197, 2849175, 3104325, 3301425, 4621995, 5942565, 7703325, 8319591, 9904275, 13865985, 23109975, 29712825, 41597955, 69329925, 207989775]

約数ペア:

[(1, 207989775), (3, 69329925), (5, 41597955), (7, 29712825), (9, 23109975), (15, 13865985), (21, 9904275), (25, 8319591), (27, 7703325), (35, 5942565), (45, 4621995), (63, 3301425), (67, 3104325), (73, 2849175), (75, 2773197), (81, 2567775), (105, 1980855), (135, 1540665), (175, 1188513), (189, 1100475), (201, 1034775), (219, 949725), (225, 924399), (243, 855925), (315, 660285), (335, 620865), (365, 569835), (405, 513555), (469, 443475), (511, 407025), (525, 396171), (567, 366825), (603, 344925), (657, 316575), (675, 308133), (945, 220095), (1005, 206955), (1095, 189945), (1215, 171185), (1407, 147825), (1533, 135675), (1575, 132057), (1675, 124173), (1701, 122275), (1809, 114975), (1825, 113967), (1971, 105525), (2025, 102711), (2345, 88695), (2555, 81405), (2835, 73365), (3015, 68985), (3285, 63315), (4221, 49275), (4599, 45225), (4725, 44019), (4891, 42525), (5025, 41391), (5427, 38325), (5475, 37989), (5913, 35175), (6075, 34237), (7035, 29565), (7665, 27135), (8505, 24455), (9045, 22995), (9855, 21105), (11725, 17739), (12663, 16425), (12775, 16281), (13797, 15075), (14175, 14673)]