27819855

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{3271}}^1$

素因数の和:3298

約数の個数: 48

約数和(自身を含む): 57168384

約数和(自身を除く): 29348529

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2835, 3271, 8505, 9813, 16355, 22897, 29439, 49065, 68691, 88317, 114485, 147195, 206073, 264951, 343455, 441585, 618219, 794853, 1030365, 1324755, 1854657, 3091095, 3974265, 5563971, 9273285, 27819855]

約数ペア:

[(1, 27819855), (3, 9273285), (5, 5563971), (7, 3974265), (9, 3091095), (15, 1854657), (21, 1324755), (27, 1030365), (35, 794853), (45, 618219), (63, 441585), (81, 343455), (105, 264951), (135, 206073), (189, 147195), (243, 114485), (315, 88317), (405, 68691), (567, 49065), (945, 29439), (1215, 22897), (1701, 16355), (2835, 9813), (3271, 8505)]