23988321

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 17839647

約数列:

[1, 3, 7, 9, 21, 37, 41, 63, 111, 123, 251, 259, 287, 333, 369, 753, 777, 861, 1517, 1757, 2259, 2331, 2583, 4551, 5271, 9287, 10291, 10619, 13653, 15813, 27861, 30873, 31857, 65009, 72037, 83583, 92619, 95571, 195027, 216111, 380767, 585081, 648333, 1142301, 2665369, 3426903, 7996107, 23988321]

約数ペア:

[(1, 23988321), (3, 7996107), (7, 3426903), (9, 2665369), (21, 1142301), (37, 648333), (41, 585081), (63, 380767), (111, 216111), (123, 195027), (251, 95571), (259, 92619), (287, 83583), (333, 72037), (369, 65009), (753, 31857), (777, 30873), (861, 27861), (1517, 15813), (1757, 13653), (2259, 10619), (2331, 10291), (2583, 9287), (4551, 5271)]