2012064921

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 3192000000

約数和(自身を除く): 1179935079

約数列:

[1, 3, 9, 27, 29, 37, 87, 111, 199, 261, 333, 349, 597, 783, 999, 1047, 1073, 1791, 3141, 3219, 5373, 5771, 7363, 9423, 9657, 10121, 12913, 17313, 22089, 28971, 30363, 38739, 51939, 66267, 69451, 91089, 116217, 155817, 198801, 208353, 213527, 273267, 348651, 374477, 625059, 640581, 1123431, 1875177, 1921743, 2014079, 2569687, 3370293, 5765229, 6042237, 7709061, 10110879, 18126711, 23127183, 54380133, 69381549, 74520923, 223562769, 670688307, 2012064921]

約数ペア:

[(1, 2012064921), (3, 670688307), (9, 223562769), (27, 74520923), (29, 69381549), (37, 54380133), (87, 23127183), (111, 18126711), (199, 10110879), (261, 7709061), (333, 6042237), (349, 5765229), (597, 3370293), (783, 2569687), (999, 2014079), (1047, 1921743), (1073, 1875177), (1791, 1123431), (3141, 640581), (3219, 625059), (5373, 374477), (5771, 348651), (7363, 273267), (9423, 213527), (9657, 208353), (10121, 198801), (12913, 155817), (17313, 116217), (22089, 91089), (28971, 69451), (30363, 66267), (38739, 51939)]