221428053

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1459}}^1$

素因数の和:1559

約数の個数: 64

約数和(自身を含む): 414873600

約数和(自身を除く): 193445547

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 73, 77, 99, 189, 219, 231, 297, 511, 657, 693, 803, 1459, 1533, 1971, 2079, 2409, 4377, 4599, 5621, 7227, 10213, 13131, 13797, 16049, 16863, 21681, 30639, 39393, 48147, 50589, 91917, 106507, 112343, 144441, 151767, 275751, 319521, 337029, 433323, 745549, 958563, 1011087, 1171577, 2236647, 2875689, 3033261, 3514731, 6709941, 8201039, 10544193, 20129823, 24603117, 31632579, 73809351, 221428053]

約数ペア:

[(1, 221428053), (3, 73809351), (7, 31632579), (9, 24603117), (11, 20129823), (21, 10544193), (27, 8201039), (33, 6709941), (63, 3514731), (73, 3033261), (77, 2875689), (99, 2236647), (189, 1171577), (219, 1011087), (231, 958563), (297, 745549), (511, 433323), (657, 337029), (693, 319521), (803, 275751), (1459, 151767), (1533, 144441), (1971, 112343), (2079, 106507), (2409, 91917), (4377, 50589), (4599, 48147), (5621, 39393), (7227, 30639), (10213, 21681), (13131, 16863), (13797, 16049)]