55290681

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{40153}}^1$

素因数の和:40182

約数の個数: 20

約数和(自身を含む): 87455412

約数和(自身を除く): 32164731

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 40153, 120459, 361377, 682601, 1084131, 2047803, 3252393, 6143409, 18430227, 55290681]

約数ペア:

[(1, 55290681), (3, 18430227), (9, 6143409), (17, 3252393), (27, 2047803), (51, 1084131), (81, 682601), (153, 361377), (459, 120459), (1377, 40153)]