55639647

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1777}}^1$

素因数の和:1868

約数の個数: 36

約数和(自身を含む): 94859856

約数和(自身を除く): 39220209

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 1777, 3479, 4473, 5331, 10437, 12439, 15993, 31311, 37317, 87073, 111951, 126167, 261219, 378501, 783657, 883169, 1135503, 2649507, 6182183, 7948521, 18546549, 55639647]

約数ペア:

[(1, 55639647), (3, 18546549), (7, 7948521), (9, 6182183), (21, 2649507), (49, 1135503), (63, 883169), (71, 783657), (147, 378501), (213, 261219), (441, 126167), (497, 111951), (639, 87073), (1491, 37317), (1777, 31311), (3479, 15993), (4473, 12439), (5331, 10437)]