138923649

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{6397}}^1$

素因数の和:6549

約数の個数: 24

約数和(自身を含む): 212925440

約数和(自身を除く): 74001791

約数列:

[1, 3, 9, 19, 57, 127, 171, 381, 1143, 2413, 6397, 7239, 19191, 21717, 57573, 121543, 364629, 812419, 1093887, 2437257, 7311771, 15435961, 46307883, 138923649]

約数ペア:

[(1, 138923649), (3, 46307883), (9, 15435961), (19, 7311771), (57, 2437257), (127, 1093887), (171, 812419), (381, 364629), (1143, 121543), (2413, 57573), (6397, 21717), (7239, 19191)]