27749925

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{839}}^1$

素因数の和:872

約数の個数: 72

約数和(自身を含む): 59371200

約数和(自身を除く): 31621275

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 135, 147, 175, 189, 225, 245, 315, 441, 525, 675, 735, 839, 945, 1225, 1323, 1575, 2205, 2517, 3675, 4195, 4725, 5873, 6615, 7551, 11025, 12585, 17619, 20975, 22653, 29365, 33075, 37755, 41111, 52857, 62925, 88095, 113265, 123333, 146825, 158571, 188775, 205555, 264285, 369999, 440475, 566325, 616665, 792855, 1027775, 1109997, 1321425, 1849995, 3083325, 3964275, 5549985, 9249975, 27749925]

約数ペア:

[(1, 27749925), (3, 9249975), (5, 5549985), (7, 3964275), (9, 3083325), (15, 1849995), (21, 1321425), (25, 1109997), (27, 1027775), (35, 792855), (45, 616665), (49, 566325), (63, 440475), (75, 369999), (105, 264285), (135, 205555), (147, 188775), (175, 158571), (189, 146825), (225, 123333), (245, 113265), (315, 88095), (441, 62925), (525, 52857), (675, 41111), (735, 37755), (839, 33075), (945, 29365), (1225, 22653), (1323, 20975), (1575, 17619), (2205, 12585), (2517, 11025), (3675, 7551), (4195, 6615), (4725, 5873)]