2009156721

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{311}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 3269552832

約数和(自身を除く): 1260396111

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 121, 143, 311, 363, 407, 429, 481, 933, 1221, 1369, 1443, 1573, 3421, 4043, 4107, 4477, 4719, 5291, 10263, 11507, 12129, 13431, 15059, 15873, 17797, 34521, 37631, 44473, 45177, 53391, 58201, 112893, 126577, 133419, 149591, 165649, 174603, 195767, 379731, 425759, 448773, 489203, 496947, 587301, 1277277, 1392347, 1467609, 1645501, 2153437, 4177041, 4683349, 4936503, 5534867, 6460311, 14050047, 16604601, 18100511, 51516839, 54301533, 60883537, 154550517, 182650611, 669718907, 2009156721]

約数ペア:

[(1, 2009156721), (3, 669718907), (11, 182650611), (13, 154550517), (33, 60883537), (37, 54301533), (39, 51516839), (111, 18100511), (121, 16604601), (143, 14050047), (311, 6460311), (363, 5534867), (407, 4936503), (429, 4683349), (481, 4177041), (933, 2153437), (1221, 1645501), (1369, 1467609), (1443, 1392347), (1573, 1277277), (3421, 587301), (4043, 496947), (4107, 489203), (4477, 448773), (4719, 425759), (5291, 379731), (10263, 195767), (11507, 174603), (12129, 165649), (13431, 149591), (15059, 133419), (15873, 126577), (17797, 112893), (34521, 58201), (37631, 53391), (44473, 45177)]