81137016

素因数分解:

$2^3\times 3^2\times {\mathrm{541}}^1\times {\mathrm{2083}}^1$

素因数の和:2636

約数の個数: 48

約数和(自身を含む): 220257960

約数和(自身を除く): 139120944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 541, 1082, 1623, 2083, 2164, 3246, 4166, 4328, 4869, 6249, 6492, 8332, 9738, 12498, 12984, 16664, 18747, 19476, 24996, 37494, 38952, 49992, 74988, 149976, 1126903, 2253806, 3380709, 4507612, 6761418, 9015224, 10142127, 13522836, 20284254, 27045672, 40568508, 81137016]

約数ペア:

[(1, 81137016), (2, 40568508), (3, 27045672), (4, 20284254), (6, 13522836), (8, 10142127), (9, 9015224), (12, 6761418), (18, 4507612), (24, 3380709), (36, 2253806), (72, 1126903), (541, 149976), (1082, 74988), (1623, 49992), (2083, 38952), (2164, 37494), (3246, 24996), (4166, 19476), (4328, 18747), (4869, 16664), (6249, 12984), (6492, 12498), (8332, 9738)]