81857529975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{953}}^1\times {\mathrm{2381}}^1$

素因数の和:3397

約数の個数: 96

約数和(自身を含む): 149907530304

約数和(自身を除く): 68050000329

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 185, 195, 325, 481, 555, 925, 953, 975, 1443, 2381, 2405, 2775, 2859, 4765, 7143, 7215, 11905, 12025, 12389, 14295, 23825, 30953, 35261, 35715, 36075, 37167, 59525, 61945, 71475, 88097, 92859, 105783, 154765, 176305, 178575, 185835, 264291, 309725, 440485, 458393, 464295, 528915, 773825, 881525, 929175, 1145261, 1321455, 1375179, 2202425, 2269093, 2291965, 2321475, 2644575, 3435783, 5726305, 6607275, 6807279, 6875895, 11345465, 11459825, 17178915, 28631525, 29498209, 34036395, 34379475, 56727325, 83956441, 85894575, 88494627, 147491045, 170181975, 251869323, 419782205, 442473135, 737455225, 1091433733, 1259346615, 2098911025, 2212365675, 3274301199, 5457168665, 6296733075, 16371505995, 27285843325, 81857529975]

約数ペア:

[(1, 81857529975), (3, 27285843325), (5, 16371505995), (13, 6296733075), (15, 5457168665), (25, 3274301199), (37, 2212365675), (39, 2098911025), (65, 1259346615), (75, 1091433733), (111, 737455225), (185, 442473135), (195, 419782205), (325, 251869323), (481, 170181975), (555, 147491045), (925, 88494627), (953, 85894575), (975, 83956441), (1443, 56727325), (2381, 34379475), (2405, 34036395), (2775, 29498209), (2859, 28631525), (4765, 17178915), (7143, 11459825), (7215, 11345465), (11905, 6875895), (12025, 6807279), (12389, 6607275), (14295, 5726305), (23825, 3435783), (30953, 2644575), (35261, 2321475), (35715, 2291965), (36075, 2269093), (37167, 2202425), (59525, 1375179), (61945, 1321455), (71475, 1145261), (88097, 929175), (92859, 881525), (105783, 773825), (154765, 528915), (176305, 464295), (178575, 458393), (185835, 440485), (264291, 309725)]