81029808

素因数分解:

$2^4\times 3^6\times {\mathrm{6947}}^1$

素因数の和:6973

約数の個数: 70

約数和(自身を含む): 235419084

約数和(自身を除く): 154389276

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 729, 972, 1296, 1458, 1944, 2916, 3888, 5832, 6947, 11664, 13894, 20841, 27788, 41682, 55576, 62523, 83364, 111152, 125046, 166728, 187569, 250092, 333456, 375138, 500184, 562707, 750276, 1000368, 1125414, 1500552, 1688121, 2250828, 3001104, 3376242, 4501656, 5064363, 6752484, 9003312, 10128726, 13504968, 20257452, 27009936, 40514904, 81029808]

約数ペア:

[(1, 81029808), (2, 40514904), (3, 27009936), (4, 20257452), (6, 13504968), (8, 10128726), (9, 9003312), (12, 6752484), (16, 5064363), (18, 4501656), (24, 3376242), (27, 3001104), (36, 2250828), (48, 1688121), (54, 1500552), (72, 1125414), (81, 1000368), (108, 750276), (144, 562707), (162, 500184), (216, 375138), (243, 333456), (324, 250092), (432, 187569), (486, 166728), (648, 125046), (729, 111152), (972, 83364), (1296, 62523), (1458, 55576), (1944, 41682), (2916, 27788), (3888, 20841), (5832, 13894), (6947, 11664)]