2007659997

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{3001}}^1$

素因数の和:3099

約数の個数: 72

約数和(自身を含む): 3550273272

約数和(自身を除く): 1542613275

約数列:

[1, 3, 7, 9, 21, 37, 41, 49, 63, 111, 123, 147, 259, 287, 333, 369, 441, 777, 861, 1517, 1813, 2009, 2331, 2583, 3001, 4551, 5439, 6027, 9003, 10619, 13653, 16317, 18081, 21007, 27009, 31857, 63021, 74333, 95571, 111037, 123041, 147049, 189063, 222999, 333111, 369123, 441147, 668997, 777259, 861287, 999333, 1107369, 1323441, 2331777, 2583861, 4552517, 5440813, 6029009, 6995331, 7751583, 13657551, 16322439, 18087027, 31867619, 40972653, 48967317, 54261081, 95602857, 223073333, 286808571, 669219999, 2007659997]

約数ペア:

[(1, 2007659997), (3, 669219999), (7, 286808571), (9, 223073333), (21, 95602857), (37, 54261081), (41, 48967317), (49, 40972653), (63, 31867619), (111, 18087027), (123, 16322439), (147, 13657551), (259, 7751583), (287, 6995331), (333, 6029009), (369, 5440813), (441, 4552517), (777, 2583861), (861, 2331777), (1517, 1323441), (1813, 1107369), (2009, 999333), (2331, 861287), (2583, 777259), (3001, 668997), (4551, 441147), (5439, 369123), (6027, 333111), (9003, 222999), (10619, 189063), (13653, 147049), (16317, 123041), (18081, 111037), (21007, 95571), (27009, 74333), (31857, 63021)]