71719209

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 119508480

約数和(自身を除く): 47789271

約数列:

[1, 3, 9, 17, 27, 37, 41, 51, 103, 111, 123, 153, 309, 333, 369, 459, 629, 697, 927, 999, 1107, 1517, 1751, 1887, 2091, 2781, 3811, 4223, 4551, 5253, 5661, 6273, 11433, 12669, 13653, 15759, 16983, 18819, 25789, 34299, 38007, 40959, 47277, 64787, 71791, 77367, 102897, 114021, 156251, 194361, 215373, 232101, 468753, 583083, 646119, 696303, 1406259, 1749249, 1938357, 2656267, 4218777, 7968801, 23906403, 71719209]

約数ペア:

[(1, 71719209), (3, 23906403), (9, 7968801), (17, 4218777), (27, 2656267), (37, 1938357), (41, 1749249), (51, 1406259), (103, 696303), (111, 646119), (123, 583083), (153, 468753), (309, 232101), (333, 215373), (369, 194361), (459, 156251), (629, 114021), (697, 102897), (927, 77367), (999, 71791), (1107, 64787), (1517, 47277), (1751, 40959), (1887, 38007), (2091, 34299), (2781, 25789), (3811, 18819), (4223, 16983), (4551, 15759), (5253, 13653), (5661, 12669), (6273, 11433)]