163857681

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20297}}^1$

素因数の和:20342

約数の個数: 32

約数和(自身を含む): 272805120

約数和(自身を除く): 108947439

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 8073, 20297, 60891, 182673, 263861, 466831, 548019, 791583, 1400493, 2374749, 4201479, 6068803, 7124247, 12604437, 18206409, 54619227, 163857681]

約数ペア:

[(1, 163857681), (3, 54619227), (9, 18206409), (13, 12604437), (23, 7124247), (27, 6068803), (39, 4201479), (69, 2374749), (117, 1400493), (207, 791583), (299, 548019), (351, 466831), (621, 263861), (897, 182673), (2691, 60891), (8073, 20297)]