56457

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:70

約数の個数: 20

約数和(自身を含む): 91476

約数和(自身を除く): 35019

約数列:

[1, 3, 9, 17, 27, 41, 51, 81, 123, 153, 369, 459, 697, 1107, 1377, 2091, 3321, 6273, 18819, 56457]

約数ペア:

[(1, 56457), (3, 18819), (9, 6273), (17, 3321), (27, 2091), (41, 1377), (51, 1107), (81, 697), (123, 459), (153, 369)]