49978971

素因数分解:

$3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1021}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 88546080

約数和(自身を除く): 38567109

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 111, 147, 189, 259, 333, 441, 777, 999, 1021, 1323, 1813, 2331, 3063, 5439, 6993, 7147, 9189, 16317, 21441, 27567, 37777, 48951, 50029, 64323, 113331, 150087, 192969, 264439, 339993, 450261, 793317, 1019979, 1350783, 1851073, 2379951, 5553219, 7139853, 16659657, 49978971]

約数ペア:

[(1, 49978971), (3, 16659657), (7, 7139853), (9, 5553219), (21, 2379951), (27, 1851073), (37, 1350783), (49, 1019979), (63, 793317), (111, 450261), (147, 339993), (189, 264439), (259, 192969), (333, 150087), (441, 113331), (777, 64323), (999, 50029), (1021, 48951), (1323, 37777), (1813, 27567), (2331, 21441), (3063, 16317), (5439, 9189), (6993, 7147)]