81247554

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{104971}}^1$

素因数の和:105022

約数の個数: 24

約数和(自身を含む): 180131952

約数和(自身を除く): 98884398

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 104971, 209942, 314913, 629826, 944739, 1889478, 4513753, 9027506, 13541259, 27082518, 40623777, 81247554]

約数ペア:

[(1, 81247554), (2, 40623777), (3, 27082518), (6, 13541259), (9, 9027506), (18, 4513753), (43, 1889478), (86, 944739), (129, 629826), (258, 314913), (387, 209942), (774, 104971)]