51881151

素因数分解:

$3^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 81510400

約数和(自身を除く): 29629249

約数列:

[1, 3, 7, 21, 49, 127, 147, 343, 381, 397, 889, 1029, 1191, 2667, 2779, 6223, 8337, 18669, 19453, 43561, 50419, 58359, 130683, 136171, 151257, 352933, 408513, 1058799, 2470531, 7411593, 17293717, 51881151]

約数ペア:

[(1, 51881151), (3, 17293717), (7, 7411593), (21, 2470531), (49, 1058799), (127, 408513), (147, 352933), (343, 151257), (381, 136171), (397, 130683), (889, 58359), (1029, 50419), (1191, 43561), (2667, 19453), (2779, 18669), (6223, 8337)]