387777423

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 572166144

約数和(自身を除く): 184388721

約数列:

[1, 3, 11, 33, 131, 271, 331, 393, 813, 993, 1441, 2981, 3641, 4323, 8943, 10923, 35501, 43361, 89701, 106503, 130083, 269103, 390511, 476971, 986711, 1171533, 1430913, 2960133, 11750831, 35252493, 129259141, 387777423]

約数ペア:

[(1, 387777423), (3, 129259141), (11, 35252493), (33, 11750831), (131, 2960133), (271, 1430913), (331, 1171533), (393, 986711), (813, 476971), (993, 390511), (1441, 269103), (2981, 130083), (3641, 106503), (4323, 89701), (8943, 43361), (10923, 35501)]