291226749

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{727}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 433305600

約数和(自身を除く): 142078851

約数列:

[1, 3, 11, 33, 61, 183, 199, 597, 671, 727, 2013, 2181, 2189, 6567, 7997, 12139, 23991, 36417, 44347, 133041, 133529, 144673, 400587, 434019, 487817, 1463451, 1591403, 4774209, 8825053, 26475159, 97075583, 291226749]

約数ペア:

[(1, 291226749), (3, 97075583), (11, 26475159), (33, 8825053), (61, 4774209), (183, 1591403), (199, 1463451), (597, 487817), (671, 434019), (727, 400587), (2013, 144673), (2181, 133529), (2189, 133041), (6567, 44347), (7997, 36417), (12139, 23991)]