56521719

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{41047}}^1$

素因数の和:41076

約数の個数: 20

約数和(自身を含む): 89402544

約数和(自身を除く): 32880825

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 41047, 123141, 369423, 697799, 1108269, 2093397, 3324807, 6280191, 18840573, 56521719]

約数ペア:

[(1, 56521719), (3, 18840573), (9, 6280191), (17, 3324807), (27, 2093397), (51, 1108269), (81, 697799), (153, 369423), (459, 123141), (1377, 41047)]