12091905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1669}}^1$

素因数の和:1710

約数の個数: 48

約数和(自身を含む): 25009920

約数和(自身を除く): 12918015

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 1669, 2415, 5007, 7245, 8345, 11683, 15021, 25035, 35049, 38387, 58415, 75105, 105147, 115161, 175245, 191935, 268709, 345483, 525735, 575805, 806127, 1343545, 1727415, 2418381, 4030635, 12091905]

約数ペア:

[(1, 12091905), (3, 4030635), (5, 2418381), (7, 1727415), (9, 1343545), (15, 806127), (21, 575805), (23, 525735), (35, 345483), (45, 268709), (63, 191935), (69, 175245), (105, 115161), (115, 105147), (161, 75105), (207, 58415), (315, 38387), (345, 35049), (483, 25035), (805, 15021), (1035, 11683), (1449, 8345), (1669, 7245), (2415, 5007)]